Reference | DRYER, C.J.B., AND ROBINSON, H.A., 1981, OCCURRENCE AND EXPLORATION OF AMPHIBOLE ASBESTOS IN SOUTH AFRICA, IN RIORDAN, P.H., ED., GEOLOGY OF ASBESTOS DEPOSITS: NEW YORK, SOCIETY OF MINING ENGINEERS OF THE AMERICAN INSTITUTE OF MINING, METALLURGICAL, AND PETROLEUM ENGINEERS INC., P. 25-44 |