%  First Level Heading
\cl{\bigbd REFERENCES}\skipfirstb

%***************************** Proceedings: START ******************************

%\item{} {\it Proceedings of the Conference on Low Reynolds Number Airfoil
%Aerodynamics}, UNDAS-CP-77B123, University of Notre Dame, 
%Notre Dame, Indiana, June 1985.

%\item{}{\it Proceedings of the Aerodynamics at Low Reynolds Numbers}
%$10^4 < Re < 10^6$ {\it International Conference}, London, October 1986.

%\item{} {\it Proceedings of the Conference on Low Reynolds Number
%Aerodynamics}, University of Notre Dame, Notre Dame, Indiana, June 1989.
%***************************** Proceedings: END ********************************

%*************************** Authors: START ************************************

\item{} Abbott, I. H. (1980), ``Airfoils: Significance and Early Development,''
in {\it The Evolution of Aircraft Wing Design},
AIAA Symposium, pp. 23--24.

\item{} Abbott, I. H., Von Doenhoff, A. E. and Stivers, L. S., Jr. (1945),
``Summary of Airfoil Data,''
NACA Rept. 824.

\item{} Abbott, I. H. and Von Doenhoff, A. E. (1959), 
``Theory of Wing Sections,''
Dover, New York.

\item{} Arlinger, G. (1970), 
``An Exact Method of Two-Dimensional Airfoil Design,'' 
Saab, SAAB TN 67, October. 


\item{} Barger, R. L. (1974),
``A Modified Theodorsen $\epsilon$-Function Airfoil Design Procedure,''
NASA TN D-7741.

\item{} Barger, R. L. (1975\th{\it a}),
``Procedures for the Design of Low-Pitching-Moment Airfoils,''
NASA TN D-7982.

\item{} Barger, R. L. (1975\th{\it b}),
``Adaptation of the Theodorsen Theory to the Representation of an Airfoil
as a Combination of a Lifting Line and a Thickness Distribution,''
NASA TN D-8117.

\item{} Betz, A. (1934), 
``\"Anderung der Profilform zur Erzielung einer vorgegebenen
\"Anderung der Druckverteilung,'' {\it Luftfahrtforschung}, Vol. 11, No. 6,
 pp. 158--164. 
(Also NACA Translation TM-767, 1935.)


%\item{} Cebeci, T. and Egan, D.A., 
%``Prediction of Transition Due
%to Isolated Roughness,'' {\it AIAA Journal}, Vol. 27, No. 7, July 1989, pp.
%selig check pp.

\item{} Cebeci, T. (1976),
``An Inverse Boundary-Layer Method for Compressible Laminar and Turbulent
Boundary Layers,''
{\it J. Aircraft}, Vol. 13, No. 9, pp.
% July 1989

\item{} Costello, G. R. (1950), 
``Method of Designing Cascade Blades with Prescribed
Velocity Distributions in Compressible Potential Flows,''
NACA Rept. 978.

\item{} Costello, G. R., Cummings, R. L. and Sinnette, J. T. Jr. (1952),
``Detailed Computational Procedure for Design of Cascade Blades
with Prescribed Velocity Distributions in Compressible Potential Flows,''
NACA Rept. 1060.

\item{} Collar, A. R. (1941), 
``The Flow of a Perfect Fluid through Cascades
of Aerofoils,''
{\it J. Royal Aeronautical Society}, May, pp. 183--213.

\item{} Crooks, P. V. and Howard, W. (1954),
``Low Speed Tests on Three Aerofoil Cascades Designed for Prescribed
Surface Velocity Distributions,''
Aust. Aeronautical Research Laboratories,
Mechanical Engineering Note 76,


\item{} Dini, P. (1990), 
``A Computationally Efficient Modelling of Laminar Separation 
Bubbles,'' Ph.D. Thesis, Department of Aerospace Engineering, 
The Pennsylvania State
University, August.

\item{} Dini, P., Selig, M. S. and Maughmer, M. D. (1991),
``A Simplified $e^n$ Method for Separated Boundary Layers,''
AIAA Paper 91-3285.
%, Sept.
%AIAA 9th Applied Aerodynamics Conference, Baltimore, MD, 

%\item{} Donovan, J. F. and Selig, M. S., ``Low Reynolds Number Airfoil
%Design and Wind Tunnel Testing at Princeton University,''
%in {\it Lecture Notes in Engineering: Low Reynolds Number Aerodynamics},
%T. J. Mueller (ed.),
%Vol. 54, Springer-Verlag, New York, June 1989.

\item{} Drela, M. (1988), 
``Low-Reynolds-Number Airfoil Design for the M.I.T.
Daedalus Prototype: A Case Study,'' {\it J. Aircraft}, Vol. 25, No. 8,
pp. 724--732.

\item{} Drela, M. (1989), 
``XFOIL: An Analysis and Design System for Low Reynolds
Number Airfoils,''
in {\it Lecture Notes in Engineering: Low Reynolds Number Aerodynamics},
T. J. Mueller (ed.),
Vol. 54, Springer-Verlag, New York, June.

\item{} Drela, M. (1990\th{\it a}),
``Viscous and Inviscid Inverse Schemes Using\hfill\break
Newton's Method,'' 
in {\it AGARD-FPD-VKI Lecture Series on
Inverse Methods in Airfoil Design for Aeronautical and Turbomachinery
Applications}, May.

\item{} Drela, M. (1990\th{\it b}), 
``Elements of Airfoil Design Methodology,''
in {\it Progress in Astronautics and Aeronautics: Applied Computational
Aerodynamics}, P. A. Henne (ed.), Vol. 125, AIAA, Washington, D.C., 
pp. 167--189.

\item{} Drela, M. and Giles, M.B. (1986),
``Viscous-Inviscid Analysis of Transonic and Low Reynolds Number Airfoils,''
AIAA Paper 86-1186.

\item{} Drela, M. and Giles, M.B. (1987),
``Viscous-Inviscid Analysis of Transonic and Low Reynolds Number Airfoils,''
{\it J. Aircraft}, Vol. 25, No. 10,
pp. 1347--1355.


\item{} Eppler, R. (1957), 
``Direkte Berechnungvon Tragfl\"ugelprofilen aus der Druckverteilung,''
{\it Ingenieur-Archive}, Vol. 25, No. 1, pp. 32--57.
(Translated as ``Direct Calculation of Airfoils from Pressure
Distribution,'' NASA TT F-15, 417, 1974.)

\item{} Eppler, R. (1960),
``Ergebnisse gemeinsamer Anwendung vo Grenzschicht- und
{\it Zeitschrift f\"ur Flugwissenschaften}, Vol. 8, No. 9, pp. 247--260.
(Translated as ``Results of the Combined Application of Boundary Layer
and Profile Theory,'' NASA TT F-15, 416, March 1974.)

\item{} Eppler, R. (1963\th{\it a}), 
``Praktische Berechnung laminarer und turbulenter Absaugegrenzchichten,''
{\it Ingenieur-Archive}, Vol. 32, No. 4, pp. 221--245.
(Translated as ``Practical Calculation of Laminar and Turbulent Bled-Off
Boundary Layers,'' NASA TM 7-75328, September 1978.)

\item{} Eppler, R. (1963\th{\it b}), 
``Vergleich theoretischer und experimenteller Profil-Wider-stande,''
{\it Schweizer Aero-Review}, Vol. 38, No. 10, pp. 593--595.
(Translated as ``Comparison of Theoretical and Experimental Profile Drags,''
NASA TT F-16981, April 1976.)


\item{} Eppler, R. (1991), 
``Airfoil Program System, User's Guide,''
Institut A f\"ur Mechanik, Universit\"at Stuttgart, March.

\item{} Eppler, R. (1990), 
{\it Airfoil Design and Data}, Springer-Verlag, New York.

\item{} Eppler, R. and Somers, D. M. (1979),
``Low Speed Airfoil Design and Analysis,''
NASA CP 2045, Vol. 1, Part 1, pp. 73--99.

\item{} Eppler, R. and Somers, D. M. (1980\th{\it a}),
``A Computer Program for the Design
and Analysis of Low-Speed Airfoils,'' NASA TM-80210,

\item{} Eppler, R. and Somers, D. M. (1980\th{\it b}), 
``Supplement to: A Computer Program for the Design and Analysis of Low-Speed
NASA TM-81862, December.

%\item{} Eppler, R. and Somers, D. M., ``Airfoil Design for Reynolds Numbers
%between 50,000 and 500,000,''
%in T. J. Mueller (ed.),
%{\it Proceedings of the Conference on Low Reynolds Number Airfoil
%Aerodynamics}, UNDAS-CP-77B123, The University of Notre Dame, 
%Notre Dame, Indiana, June 1985.

%\item{} Evangelista, R., McGhee, R. J. and Walker, B. S.,
%``Correlation of Theory to Wind-Tunnel Data at Reynolds Numbers below
%in {\it Lecture Notes in Engineering: Low Reynolds Number Aerodynamics},
%T. J. Mueller (ed.),
%Vol. 54, Springer-Verlag, New York, June 1989.

%\item{} Evangelista, R. and Vemuru, C. S., ``Evaluation of an Analysis
%Method for Low-Speed Airfoils by Comparison with Wind Tunnel Results,''
%AIAA Paper 89-0266.


\item{} Garrick, I. E. (1944), 
``On the Plane Potential Flow Past a Lattice
of Arbitrary Airfoils,'' NACA Rept. 788.

\item{} Garrick, I. E. (1952), 
``Conformal Mapping in Aerodynamics, with
Emphasis on the Method of Successive Conjugates,'' in {\it 
National Bureau of Standards
Applied Mathematics Series 18: 
Constructions and Application of Conformal Maps},   Washington.

\item{} Ghielmi, L., Marazzi, R. and Baron, A. (1989),
``A Tool for Automatic Design of Airfoils in Different Operating Conditions,''
in {\it Computational Methods for Aerodynamic Design (Inverse) 
and Optimization},
%May 22-23, 1989, Leon, Norway.

\item{} Glauert, M. B. (1947), 
``The Application of the Exact Method of Aerofoil
Design,'' Aeronautical Research Council, R\&M 2683, October.

%\item{} Gleyzes, C., Cousteix, J. and Bonnet, J. L., 
%``A Calculation Method of
%Leading Edge Separation Bubbles,'' {\it Numerical and Physical
%Aspects of Aerodynamic Flows II}, Springer-Verlag, 1983.

\item{} Goettsching, L. (1988), 
``Designs of Profiles for Cascades,''
NASA TT-20161, April.
(Translated from {\it Thermodynamic and Flow Mechanical Problems
in Aircraft and Spacecraft Drives},
Stuttgart University, West Germany, April 1986, pp. 243--267.)

\item{} Gostelow, J. P. (1965\th{\it a}), 
``Potential Flow through Cascades -
A Comparison between Exact and Approximate Solutions,''
Aeronautical Research Council, C.P. No. 807.

\item{} Gostelow, J. P. (1965\th{\it b}), 
``Potential Flow through Cascades -
Extensions to an Exact Theory,'' 
Aeronautical Research Council, C.P. No. 808.

\item{} Goto, A. and Shirakura, M. (1984),
``Compressor Cascade Optimization based on Inverse Boundary Layer
Method and Inverse Cascade Method
(1st Report, An Inverse Cascade Method for Incompressible Two-Dimensional
{\it Bulletin of JSME}, Vol. 27, No. 226, pp. 653--659.



\item{} Hall, W. S. and Thwaites, B. (1963),
``On the Calculation of Cascade Flows,''
Aeronautical Research Council 24,367.

\item{} Hansen, J. R. (1987),
{\it Engineer in Charge},
NASA SP-4305.

\item{} Henderson, M. L. (1978),
``Inverse Boundary-Layer Technique for
Airfoil Design,'' NASA CP-2045, Part 1, Vol. 1, pp. 383--397.

\item{} Hicks, R. M. and Vanderplaats, G. N. (1977),
``Application of Numerical Optimization to the Design of Supercritical
Airfoils without Drag-Creep,''
SAE Paper 760477.

\item{} Howell, A. R. (1948), 
``A Theory of Arbitrary Aerofoils in Cascade,''
{\it Phil. Mag.}, Vol. 39, No. 299, pp. 913--927.


\item{} Ingen, J. L. van (1969), 
``A Program for Airfoil Section Design Utilizing
Computer Graphics,'' in {\it AGARD-VKI Short Course on High Reynolds Number
Subsonic Aerodynamics}, AGARD LS-37-70, April.

\item{} Ingen, J. L. van (1975), 
``On The Calculation of Laminar Separation
Bubbles in Two-Dimensional Incompressible Flow,'' AGARD CP-168.

%\item{} Ingen, J. L. van,
%``A Suggested Semi-Empirical Method for the Calculation
%of the Boundary Layer Transition Region,'' 
%Delft University of
%Technology, Department of Aerospace Engineering report VTH-74, 1956.

\item{} Ives, D. C. and Liutermoza, J. F. (1977),
``Analysis of Transonic Cascade Flow Using Conformal Mapping and
Relaxation Techniques,''
{\it AIAA Journal}, Vol. 15, No. 5, pp. 647--650.
% May


\item{} Jacobs, E. N., Ward, K. E. and Pinkerton, R. M. (1933),
``The Characteristics of 78 Related Airfoil Sections from Tests in the
Variable-Density Wind Tunnel,'' NACA Rept. 460.

\item{} Jacobs, E. N. (1939),
``Preliminary Report on Laminar-Flow Airfoils and New Methods Adopted for
Airfoil and Boundary-Layer Investigations,''
NACA WR L-345. 
%(Formerly NACA ACR)

\item{} James, R. M. (1971), 
``A General Class
of Airfoils Conformally Mapped from a
Circle,'' Douglas Aircraft Corp., Rept. MDC J5108, Long Beach, Calif., May.

\item{} Joukowski, N. E.  (1916),
{\it Aerodynamique}, Gauthier-Villars, Paris.

\item{} Johnson, C. H. J. (1954),
``Aerofoils in Cascade with Boundary Layer Control,''
Aust. Aeronautical Research Laboratories, 
Note 222, 

\item{} Jordinson, R. (1970),
``The Flat Plate Boundary Layer. Part 1. Numerical
Integration of the Orr-Sommerfeld Equation,''
{\it Journal of Fluid Mechanics,} Vol. 43, Part 4, pp. 801--811.



\item{} Kolesar, C. E. (1987), ``Design and Test of a Natural Laminar 
Flow / Large
Reynolds Number Airfoil with a High Design Cruise Lift Coefficient,''
in {\it Research in Natural Laminar Flow and Laminar-Flow Control,}
J. N. Hefner and F. E. Sabo (eds.),
NASA CP-2487, Part3, March, pp. 727--751.


%\item{} Lecomte, C., ``Calculation of Cascade Profiles from the
%Velocity Distribution,''
%ASME Paper 74-GT-70, 1974.

\item{} Lewis, R. I. (1982), 
``A Method for Inverse Aerofoil and Cascade Design
by Surface Vorticity,''
ASME Paper 82-GT-154.

\item{} Liebeck, R. H. and Ormsbee, A. I. (1970),
``Optimization of Airfoils for Maximum Lift,''
{\it J. Aircraft}, Vol. 7, No. 5, pp. 409-415.
% selig check page numbers.

\item{} Liebeck, R. H. (1976),
``On the Design of Subsonic Airfoils for High Lift,''
AIAA Paper 76-406.

\item{} Liebeck, R. H. (1978),
``Design of Subsonic Airfoil for High Lift,''
{\it J. Aircraft}, Vol. 15, No. 9, pp. 547--561.

\item{} Liebeck, R. H. (1990),
``Subsonic Airfoil Design,''
in {\it Progress in Astronautics and Aeronautics: Applied Computational
Aerodynamics}, P. A. Henne (ed.), Vol. 125, AIAA, Washington, D.C.,
pp. 133--165.

\item{} Lighthill, M. J. (1945\th{\it a}), 
``A New Method of Two-Dimensional Aerodynamic
Design,'' Aeronautical Research Council, R\&M 2112, April.

\item{} Lighthill, M. J. (1945\th{\it b}),
``A Mathematical Method of Cascade Design,''
Aeronautical Research Council, R\&M 2104, June.

\item{} Ludwieg, H. and Tillmann, W. (1949),
``Untersuchungen \"uder die Wandschubspannung in Turbulenten
{\it Ingenieur-Archive}, Vol. 17, pp. 288--299.
(Translated as ``Investigations of the Wall-Shearing Stress in
Turbulent Boundary Layers,''
NACA TM 1285.)


\item{} Mangler, W. (1938), 
``Die Berechnung eines Tragfl\"ugelprofiles mit
vorgeschreibener Druckverteilung'', {\it Jahrbuch 
der deutschen Luftfahrtforschung}, Vol. 1, pp 46--53.
(Translated as Air Ministry of London, Translation No. 932, 1940.)

\item{} Maughmer, M. D. and Somers, D. M. (1989),
``Design and Experimental Results for a High-Altitude, Long-Endurance
{\it J. Aircraft}, Vol. 26, No. 2, pp. 148--153.

\item{} McMasters, J. H. and Henderson, M. L. (1979),
``Low-Speed Single-Element Airfoil Synthesis,''
NASA SP-2085, pp. 1--31.

\item{} Merchant, W. and Collar, A. R. (1941), 
``Flow of an Ideal
Fluid Past a Cascade of Blades (Part II),''
Aeronautical Research Council, R\&M 1893, May.

\item{} Miley, S. J. (1974),
``On the Design of Airfoils for Low Reynolds Numbers,''
AIAA Paper 74-1017.

\item{} Milne-Thomson, L. M. (1958),
{\it Theoretical Aerodynamics}, Dover, New York.

%\item{} Mueller, T. J., {\it Low Reynolds Number Vehicles},
%AGARDograph No. 288, Feb. 1985.


\item{} Nonweiler, T. R. F. (1968), 
``A New Series of Low-Drag Aerofoils,''
Aeronautical Research Council, R\&M  3618, March.


\item{} Ormsbee, A. I. and Maughmer, M. D. (1985),
``A Class of Airfoils Having Finite Trailing Edge Pressure Gradients,''
AIAA Paper 85-0206.


\item{} Papailiou, K. (1967), 
``Blade Optimization Based on Boundary Layer Concepts,''
Von Karman Institute for Fluid Dynamics, Course Note 60, March.

\item{} Peebles, G. H. (1947),
``A Method for Calculating Airfoil Sections from  Specifications on the Pressure
Distributions,'' Journal of the Aeronautical Sciences, Vol. 4, No. 8.,
pp. 451--456.

\item{} Peebles, G. H. and Parkin, B. R. (1956),
``Calculation of Hydrofoil Sections for Prescribed Pressure Distributions,''
Society of Naval Architects and Marine Engineers, Technical and Research
Bulletin No. 1--17, December. (Reprinted March 1966.)

%\item{} Pfenninger, W. and Vemuru, C. S., ``Optimization of Natural Laminar
%Flow Airfoils for High Section Lift-to-Drag Ratios in the Lower Reynolds
%Number Range,'' AIAA Paper 89-0539, 1989.

\item{} Polito, L. (1974), 
``Un Metodo Esatto per il Progetto di Profili Alari in
Corrente Incompressibile Aventi un Prestabilito Andamento della Velocit\`a sul
Universita degli Studi di Pisa, Pisa, Italy, Rept. 42.


\item{} Rosenblatt, S. and Woods, L. C. (1956),
``A Method of Cascade Design for Two-Dimensional Incompressible Flow,''
Aust. Aeronautical Research Committee, Rept. ACA-58, March.

\item{} Rotta, J. (1952),
``Schubspannungsverteilung und Energiedissipation bei
turbulenten Grenzschichten,''
{\it Ingenieur-Archive}, Vol. 20, pp. 195--207.

\item{} Ruzicka, M. and Spacek, L. (1981),
``A Mathematical Method for Design of Turbine Blade Cascades for Small
Subsonic Mach Numbers,''
National Research Institute for Machine Design, Monographs
and Memoranda, No. 29, Bechovice.


\item{} Sanz, M. J. (1988), 
``Automated Design of Controlled Diffusion Blades,''
ASME Paper 88-GT-139.

\item{} Sanz, M. J. (1991), private communications.

\item{} Schwering, W. (1970), 
``Design of Cascades for Incompressible Plane
Potential Flows with Prescribed Velocity Distribution,''
ASME Paper 70-GT-87.

\item{} Selig, M. S. and Maughmer, M. D. (1991\th{\it a}), 
``A Multi-Point Inverse Airfoil Design Method Based on Conformal Mapping,''
AIAA Paper 91-0069.

\item{} Selig, M. S. and Maughmer, M. D. (1991\th{\it b}), 
``Generalized Multi-Point Inverse Airfoil Design,''
AIAA Paper 91-3333. 

\item{} Selig, M. S., Maughmer, M. D. and Somers, D. M. (1989), 
Airfoil for General Aviation Applications,'' Presented at Techfest XVI,
Wichita Section AIAA, Wichita, KS, November.

%\item{} Selig, M. S., Donovan, J. F. and Fraser, D. B., 
%\underbar{Airfoils at Low Speeds}, Soartech 8,
%H. A. Stokely, publisher, 1504 N. Horseshoe Circle, Virginia Beach, VA, 23451,

\item{} Selig, M. S., Maughmer, M. D. and Somers, D. M. (1990), ``An
Airfoil for General Aviation Applications,'' 
in {\it Proceedings of the 1990 AIAA/FAA Joint
Symposium on General Aviation Systems}, DOT/FAA/CT-90/11, 
May, pp. 280--291.

\item{} Shen, Y. T. and Eppler, R. (1981),
``Wing Sections for Hydrofoils--Part 2: Nonsymmetrical Profiles,''
{\it J. Ship Research}, Vol. 25, No. 3, pp. 191--200.

\item{} Shirakura, M. (1972),
``Potential Flow about Arbitrary Thick Blades of Large Camber in Cascade,''
in {\it The Second International JSME Symposium, Fluid Machinery and Fluidics},
Tokyo, pp. 71--82.

\item{} Scholtz, N. (1965),
{\it Aerodynamik der Schaufelgitter},
Verlag G. Braun, Karlsruhe, p. 320.

%\item{} Smith, A. M. O. and Gamberoni, N., 
%``Transition, Pressure Gradient, and
%Stability Theory,'' Douglas Aircraft Co. Report ES 26338, 1956.

\item{} Sobieczky, H. (1989),
``Progress in Inverse Design and Optimization in Aerodynamics,''
in {\it Computational Methods for Aerodynamic Design (Inverse) 
and Optimization},
%, Paper No. 1.

\item {} Somers, D. M. (1981), ``Design and Experimental Results for a Flapped
Natural-Laminar-Flow Airfoil for General Aviation Applications,''
NASA TP-1865.

\item{} Somers, D. M. (1992), 
``Subsonic Natural-Laminar-Flow Airfoils,''
in {\it Natural Laminar Flow and Laminar Flow Control}, R. W. Barnwell
and M. Y. Hussaini (eds.), Springer-Verlag, New York.

\item {} Somers, D. M. and Horstmann, K. H. (1985),
``Design of a Medium-Speed, \break
Airfoil for Commuter Aircraft Applications,'' Institut fur Entwurfsaerodynamik,
Braunschweig, IB~129-85/26, April.

\item{} Sorensin, T. (1991),
``Airfoil Optimization with Efficient Gradient Calculations,''
in {\it Third International Conference on Inverse Design Concepts
and Optimization in Engineering Sciences},
G. S. Dulikravich (ed.), Washington, October, pp. 433-444.

\item{} Stock, H. W. (1988),
``An Inverse Boundary-Layer Method 
for Turbulent Flows on Infinite Swept Wings,'' 
{\it Z. Flugwiss. Weltraumforsch.}, Vol. 12, pp. 51--62.

%\item{} Stock, H. W. and Degenhart, E.,
%``A Simplified $e^n$ Method for
%Transition Prediction in Two-Dimensional, Incompressible Boundary Layers,''
%{\it Z. Flugwiss, Weltraumforsch}, Vol. 13, 1989, pp. 16--30.

\item{} Strand, T. (1973), 
``Exact Method of Designing Airfoil with Given
Velocity Distribution in Incompressible Flow,'' {\it J.of  Aircraft}, Vol. 10,
No. 11, pp. 651--659.

\item{} Stratford, B. S. (1959),
``An Experimental Flow with Zero Skin Friction throughout Its Region
of Pressure Rise,''
{\it J. Fluid Mechanics}, Vol. 5, No. 17, pp. 1--16.



\item{} Theodorsen, T. (1931),
``Theory of Wing Sections of Arbitrary Shape,''
NACA TR-411.

\item{} Theodorsen, T. and Garrick, I. E. (1933),
``General Potential Theory of Arbitrary Wing Sections,''
NACA Rept. 452.

\item{} Theodorsen, T. (1944),
``Airfoil-Contour Modifications Based on $\epsilon$-Curve Method
of Calculating Pressure Distribution,''
NACA WR L-135. (Formerly NACA ARR L4G05.)

\item{} Timman, R. (1951), 
``The Direct and Inverse Problem of Airfoil Theory.
A \hfill\break
Method to Obtain Numerical Solutions,'' Rept. F.16, 
National Aeronautical Research Inst., Amsterdam.

\item{} Traupel, W. (1945),
``Die Berechnung der Str\"omung durch Schaufelgitter,''
{\it Sulzer Tech. Rundschau}, Nr. 1, pp. 25--42.

%\item{} Traupel, W.,
%``Zur Potentialtheorie des Schaufelgitters,''
%Sulzer Tech. Rundschau, Nr. 2, 1959, pp. 12--30.


\item{} Viken, J. K. (1983),
``Aerodynamic Design Considerations and Theoretical Results
for a High Reynolds Number Natural Laminar Flow Airfoil,''
M.S. Thesis, George Washington University, January.


\item{} Watson, E. J. (1945), 
``Formul\ae {\hskip 2 pt} for 
the Computation of the Functions
Employed for Calculating the Velocity Distribution about a Given Aerofoil,''
Aeronautical Research Council, R\&M  2176, May.

\item{} Weinig, F. (1929), 
``Widerstands- und Tragfl\"ugelprofile mit
vorgeschriebener Geschwindigkeitsverteilung an der
Oberfl\"ache,'' {\it Z. angew. Math. Mech.}, Vol. 9, 1929, pp. 507--513.

\item{} Weinig, F. (1935),
{\it Die Stro\"mung um die Schaufeln von Turbomashinen},
Johann Ambreosius Barth, Liepzig.

\item{} Wieghardt, K. (1948),
``\"Uber einen Energiesatz zur Berechnung Laminarer Grenzschichten,''
{\it Ingenieur-Archive}, Vol. 16, No. 1, pp. 21--242.

\item{} Whitfield, D. L., Swafford, T. W. and Donegan, T. L. (1982),
``An Inverse Integral Computational Method for Compressible Turbulent
Boundary Layers,''
in {\it Recent Contributions to Fluid Mechanics},
W. Haase (ed.),
Springer-Verlag, New York.

\item{} Wilkinson, D. H. (1969), ``Analysis and Design of Aerofoils and
Cascades in Incompressible Flow,''
{\it J. Science and Technology}, Vol. 36, No. 2, pp. 99--104.

\item{} Wortmann, F. X. (1955), 
``Ein Beitrag zum Entwurf von Laminarprofilen f\"ur Segelflugzeuge und
{\it ZFW}, Vol. 3, No. 10, pp. 333--345.
(Translated as British M.O.S. translation TIL/T A903, 1960.)


\item{} Wortmann, F. X. (1957), 
``Experimentelle Untersuchungen an neuen Laminarprofilen f\"ur Segelflugzeuge
und Hubschrauber,''
{\it ZFW}, Vol. 5, No. 8, pp. 228--243.
(Translated as British M.O.S. translation TIL/T A906, 1960.)

\item{} Wortmann, F. X. (1961), 
``Progress in the Design of Low Drag Airfoils,''
in {\it \hfill\break 
Boundary Layer and Flow Control}, G.V. Lachmann (ed.), 
Pergamon Press, London, pp. 748-770.


%*************************** Authors: END  *************************************