Hoek, E. 1., & Brown, E. T. (1980). Underground excavations in rock. London, England: Institution of Mining and Metallurgy.
Chicago Style CitationHoek, Evert 1933-, and Edwin T. Brown. Underground Excavations in Rock. London, England: Institution of Mining and Metallurgy, 1980.
MLA CitationHoek, Evert 1933-, and Edwin T. Brown. Underground Excavations in Rock. London, England: Institution of Mining and Metallurgy, 1980.
Warning: These citations may not always be 100% accurate.