References
- Clancy, L.J. (1975), Aerodynamics, Section 4.8, Pitman Publishing Limited, London ISBN 0-273-01120-0
- Millikan, Clark B., Aerodynamics of the Airplane, Section 1-6, eighth printing, John Wiley and Sons, Inc., (1941) New York.
- Massey, B.S., Mechanics of Fluids, Section 9.10, 2nd Edition. Van Nostrand Reinhold Co., London (1970) Library of Congress Catalog Card No. 67-25005
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