INTERNATIONAL SOCIETY FOR ROCK MECHANICS
SEVENTH INTERNATIONAL CONGRESS ON ROCK MECHANICS PROCEEDINGS - 3 - ROTTERDAM BALKEMA 1991 - 30X22
9054-100141
622.2 I61
SEVENTH INTERNATIONAL CONGRESS ON ROCK MECHANICS PROCEEDINGS - 3 - ROTTERDAM BALKEMA 1991 - 30X22
9054-100141
622.2 I61