United States. National Advisory Committee for Aeronautics. (1939). Resistance of transparent plastics to impact. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Resistance of Transparent Plastics to Impact. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Resistance of Transparent Plastics to Impact. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.