Coveney, Raymond M. Metalliferous shales and the role of organic matter with examples from China, Poland, and the United States - Littleton, Colorado Society of Economic Geologists 2000 - pp. 251-280 ilus. - Reviews in Economic Geology v.9 . Subjects--Topical Terms: GENESIS-YACIMIENTOMATERIA ORGANICAMETALES PESADOSPIZARRASYACIMIENTOS MINERALES Subjects--Geographic Terms: CHINAESTADOS UNIDOSPOLONIA Universal Decimal Class. No.: 553.245/G52|3