United States. National Advisory Committee for Aeronautics. (1939). Some elementary principles of shell stress analysis with notes on the use of the shear center. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Some Elementary Principles of Shell Stress Analysis with Notes on the Use of the Shear Center. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. National Advisory Committee for Aeronautics. Some Elementary Principles of Shell Stress Analysis with Notes on the Use of the Shear Center. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.