ANTSYFEROV,M.S
SEISMO-ACOUSTIC METHODS IN MINING:A SPECIAL RESEARCH REPORT - NEW YORK CONSULTANTS BUREAU 1966 - 28X21
622.159 A627
SEISMO-ACOUSTIC METHODS IN MINING:A SPECIAL RESEARCH REPORT - NEW YORK CONSULTANTS BUREAU 1966 - 28X21
622.159 A627