Perry, J. (1957). Spinning tops and gyroscopic motions. "Published previously as Spinning tops.
Trích dẫn kiểu ChicagoPerry, John. Spinning Tops and Gyroscopic Motions. "Published Previously as Spinning Tops. 1957.
Trích dẫn MLAPerry, John. Spinning Tops and Gyroscopic Motions. "Published Previously as Spinning Tops. 1957.
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