Pei, Rongfu Proceedings of the 30th International Geological Congress, vol. 9: Energy and mineral resources for the 21st century; geology of mineral deposits, mineral economics - Utrecht VSP BV 1997 - 514 p. ilus. Subjects--Topical Terms: CONGRESOSGEOLOGIA ECONOMICAMINERALIZACIONPROSPECCION MINERARECURSOS MINERALESTECTÓNICAYACIMIENTOS MINERALES Universal Decimal Class. No.: R/061.3:55(100)/C74/30/9