LEE, K.Y. Some Rare-Element Mineral Deposits in Mainland China / By K.Y. Lee. -- Washington : Unites States Governemnt Printing Office, 1970 - 34 p. -- (Geological Survey Bulletin ; 1312-N). Fecha real de registro 02-11-1970 Subjects--Topical Terms: ChinaDepósitos de minerales Universal Decimal Class. No.: 549(510)