United States. National Advisory Committee for Aeronautics. (1938). Flow observations with tufts and lampblack of stalling of 4 typical airfoil sections in N.A.C.A. variable℗--density tunnel. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Flow Observations with Tufts and Lampblack of Stalling of 4 Typical Airfoil Sections in N.A.C.A. Variable℗--density Tunnel. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Flow Observations with Tufts and Lampblack of Stalling of 4 Typical Airfoil Sections in N.A.C.A. Variable℗--density Tunnel. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.