TY  - BOOK
AU  - Akai K Ed.
AU  -  Hayashi M Ed.
AU  -  Nishimatsu Y Ed.
ED  - International conference on weak rock (1981 : Tokyo)
TI  - Proceeding on weak rock
U1  - H2p1,N81, M1.3 
PY  - 1981///
CY  - Rotterdam
PB  - A A Balkema       
KW  -  Petrology
KW  - Geology
ER  -