Paleozoic species of Bairdia and related genera
By: by I. G. Sohn.
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 330-A
Publisher: U.S. Government Printing Office
Published: 1960
Place of publication: Washington, DC
Language: eng
Number of pages: 105
Notes: Bibliogr.

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