18. |
Permian Gastropoda of the southwestern United States
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BIBFRAME Works
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Work Text Monograph |
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3583359 |
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19. |
Cameron, R. A. D. (Robert Andrew Duncan) British land snails
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BIBFRAME Instances
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Instance |
|
2691111 |
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20. |
Ellis, Arthur Erskine British snails
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BIBFRAME Instances
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Instance |
|
7333379 |
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