United States. National Advisory Committee for Aeronautics. (1942). Investigation of Lubricants Under Boundary Friction. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Investigation of Lubricants Under Boundary Friction. [Washington]: [s.n.], 1942.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Investigation of Lubricants Under Boundary Friction. [s.n.], 1942.
Warning: These citations may not always be 100% accurate.