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Material Properties Affecting the Stability of a 50-year-old Rock Dump in an Active Mine

出版	U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1999
URL	http://books.google.com.hk/books?id=ItiMAQAACAAJ&hl=&source=gbs_api