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111220c19859999|||uu 00 0 spa d |
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|a La Formación Puerta del Diablo (Mioceno superior - Plioceno inferior?) en el gran bajo del Gualicho (Río Negro, Argentina), y su paleoecología basada en diatomeas /
|c Eliseo G. Se`ïulveda y José C. Martínez Macchiavelo.
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| 260 |
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|a ,
|c 1985
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| 504 |
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|b ca. 30 refs.
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| 504 |
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|b ca. 30 refs.
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| 043 |
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|a s-ag
|2 827 3
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| 650 |
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|a Sepúlveda, Eliseo Guido.
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|a Martínez Macchiavello, José C..
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| 300 |
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|a p. 81-96
|b il.
|c 27 cm.
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|c AR-RiUNS
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| 866 |
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| 773 |
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|t AMEGHINIANA
|w A8
|g Vol. 22, n. 1-2 (1985)
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| 942 |
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|c PP
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| 999 |
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|c 28297
|d 28297
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