United States. National Advisory Committee for Aeronautics. (1939). Comparison of profile-drag and boundary℗--layer measurements obtained in flight and in the full℗--scale wind tunnel. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Comparison of Profile-drag and Boundary℗--layer Measurements Obtained in Flight and in the Full℗--scale Wind Tunnel. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Comparison of Profile-drag and Boundary℗--layer Measurements Obtained in Flight and in the Full℗--scale Wind Tunnel. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.