TY  - BOOK
AU  - Akai, Koichi
AU  - Hayashi, Masao
AU  - Nishimatsu, Yuichi
TI  - Weak Rock : soft, fractured and weathered rock : proceedings of the international symposium on weak rock, Tokyo, 21-24 September 1981
SN  - 9789061912071
U1  - 624.15132 AKA 
PY  - 1981///
CY  - Netherland
PB  - A.A. Balkema
KW  - Rock mechanics
N1  - Proceedings of the international symposium on weak rock Tokyo/21-24,September 1981
ER  -