Kulwicki, P. V., Schlei, E. J., & Vergamini, P. L. Weightless man: Self-rotation techniques. Armed Services Technical Information Agency.
Chicago-viite (17. p.)Kulwicki, Philip V., Edward J. Schlei, ja Paul L. Vergamini. Weightless Man: Self-rotation Techniques. Arlington, Va.: Armed Services Technical Information Agency.
MLA-viite (8. p.)Kulwicki, Philip V., et al. Weightless Man: Self-rotation Techniques. Armed Services Technical Information Agency.
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