TY - BOOK AU - TI - Rock Mechanics : Proceedings Of The 28th U. S. Symposium SN - 9061916992 U1 - 624.1513 ROC PY - 1987/// CY - Rotterdams PB - A. A. Balkema KW - Rock Mechanics KW - Congresses N1 - Conference publication proceedings of the 28th U.S. Symposium : University Of Arizona, Tucson on 28 June - 01 July 1987; Includes bibliographical references (p. 1233 - 1234 ), indexs ( p. 1237 - 1240 ) ER -