TY  - BOOK
AU  - 
ED  - Congress of the International Society of Rock Mechanics
TI  - International society of rock mechanics: proceedings..
U1  - 624.15 
PY  - 1967///
CY  - Lisboa
PB  - Laboratorio Nacional De Engenharia Civil
KW  - Rock mechanics
N1  - Contens: v.2.Themes 4-8 --v.3.Events and Discussions
ER  -