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Mine Roof Vibrations from Underground Blasts

James J. OlsonRichard A. DickJoseph L. CondonArlo D. HendricksonDavid E. Fogelson

出版	U.S. Department of the Interior, Bureau of Mines, 1970
URL	http://books.google.com.hk/books?id=Ji00eC5zLekC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN