Upper Miocene echinoids from the Yorktown Formation of Virginia and their environmental significance
Porter M. Kier
Bok Engelsk 1972
Utgitt | Washington : Smithsonian Institution Press , 1972
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Omfang | 41 s. : ill.
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Emner |
Utgitt | Washington : Smithsonian Institution Press , 1972
|
---|---|
Omfang | 41 s. : ill.
|
Emner |