TY  - BOOK
AU  - 
AU  - 
TI  - Rock Engineering
SN  - 0070218889
U1  - 624.1513 FRA 
PY  - 1989///
CY  - New York
PB  - McGraw-Hill Publishing Company
KW  - Rock Mechanics
KW  - Rock Excavation
N1  - Includes bibliographical references ( p. 589 - 590 ), indexs ( p. 591 - 600 )
ER  -