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Permian sphenopsids from Antarctica /

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Bibliographic Details
Main Author: Rigby, J. F.
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1969.
Series:Geological Survey professional paper ; 613-F.
Geological Survey professional paper. Contributions to paleontology.
Subjects:
Sphenopsida, Fossil.
Paleobotany > Permian.
Paleobotany > Antarctica.
Description
Physical Description:iii, 13 pages, 12 unnumbered pages : illustrations ; 29 cm.
Bibliography:Bibliography: pages 11-12.