TY  - BOOK
ED  - International Congress on Rock Mechanics (7th. 1991: Aachen)
ED  - International Society for Rock Mechanics
TI  - Proceeding/International Congress on Rock Mechanics
SN  - 9054100125
PY  - 1991///
CY  - Rotterdam
PB  - A. A. Balkema
KW  - Rock mechanics
KW  - Congresses
N1  - At head of title: International Society for Rock Mechanics
ER  -