Format:
Seite 233-275, XIV Blätter Tafeln
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Illustrationen
Series Statement:
Contributions from the Museum of Paleontology, University of Michigan vol. 3, no. 13
Note:
Umschlagtitel
,
"A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of philolosphy in the University of Michigan"
Language:
English
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