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|a Convergence between tow pennsylvanian gastropod species :
|b a multivariate mathematical approach /
|c Niles Eldredge.
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| 260 |
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|a ,
|c 1968
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| 504 |
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|b ca. 10 refs.
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| 504 |
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|b ca. 10 refs.
|
| 043 |
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|a 73-gx
|2 73
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| 650 |
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7 |
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| 100 |
1 |
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|a Eldredge, Niles.
|
| 300 |
|
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|a p. 186-196
|c 25 cm. +
|e 1 lám.
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| 040 |
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|c AR-RiUNS
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| 866 |
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| 773 |
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|t JOURNAL of Paleontology
|w J3
|g Vol. 42, n. 1 (Jan. 1968)
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| 942 |
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|c PP
|
| 999 |
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|c 21889
|d 21889
|