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1.- BIOSTRATIGRAPHY OF PENNSYLVANIAN (UPPER CARBONIFEROUS) CORALS, WESTERN INTERIOR REGION, CONTERMINOUS, U.S.A.;
MADRID: X CONGR. INST. ESTATIGR. GEOL., 1985 CONGRES INTERNATIONAL DESTRATIGRAPHIE ET DE GEOLOGIE DU CARBONIFERE. 10/1983-09-12/MADRID Ver registro
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