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The paleoecological history of two Pennsylvanian black shales / Rainer Zangerl and Eugene S. Richardson, Jr. ; with contributions by Bertram G. Woodland...[et al.].
By: Zangerl, Rainer, - Richardson, Eugene Stanley,
Publication info: Chicago :Chicago Natural History Museum,1963.
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects: Paléoécologie Paleoecology Paleontologie Paleontology Pennsylvanian Pennsylvanien