TY - BOOK AU - Roberts,Albert TI - Applied Geotechnology : A Text For Students And Engineers On Rock Excavation And Related Topics SN - 0080240143 U1 - 624.1513 ROB 19 PY - 1981/// CY - New York : PB - Pergamon Press KW - Rock excavation KW - Rock mechanics N1 - Includes bibliographical references and indexs (p.: 335 - 344 ) ER -