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Theory of the Torsion Balance with a Preliminary Study of a Modification of the Instrument to Decrease Time of Gravity Measurements

J. Wallace Joyce

出版	U.S. Government Printing Office, 1933
URL	http://books.google.com.hk/books?id=vMqDLSV1hnUC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN