01111oam 2200337zu 450 991013094820332120210807004624.01-118-66737-9(CKB)3450000000004158(SSID)ssj0000815216(PQKBManifestationID)11510976(PQKBTitleCode)TC0000815216(PQKBWorkID)10805680(PQKB)10909572(PPN)189041005(EXLCZ)99345000000000415820160829d1989 uy engtxtccrCharacteristics of the Mid-Carboniferous Boundary and Associated Coal-Bearing Rocks in the Appalachian Basin[Place of publication not identified]American Geophysical Union1989Bibliographic Level Mode of Issuance: Monograph0-87590-661-3 EnglundPQKBBOOK9910130948203321Characteristics of the Mid-Carboniferous Boundary and Associated Coal-Bearing Rocks in the Appalachian Basin2280190UNINA