El-Sharkawy, M.F. Talc deposits from different sources: genesis and quality - Rotterdam A.A. Balkema 1999 - pp. 1093-1095 ilus. - t.2 . Subjects--Topical Terms: GENESIS-YACIMIENTOGEOLOGIA ECONOMICAMINERALES INDUSTRIALESTALCO Universal Decimal Class. No.: R/061.3:553/S78|191