Non-dinosaurian lower vertebrates across the Cretaceous-Tertiary boundary in Northeastern Montana.
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| Format: | Book |
| Language: | English |
| Published: |
Berkeley, Calif.,
1989.
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| Series: | University of California. Publications in geological sciences
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| Physical Description: | xii, 107 páginas : ilustraciones. |
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| ISBN: | 8448120396 |