Perry, J. (1957). Spinning tops and gyroscopic motions. "Published previously as Spinning tops.
Παραπομπή Chicago StylePerry, John. Spinning Tops and Gyroscopic Motions. "Published Previously as Spinning Tops. 1957.
Παραπομπή MLAPerry, John. Spinning Tops and Gyroscopic Motions. "Published Previously as Spinning Tops. 1957.
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