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00744nas a22002297 4500 |
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AR-RiUNS |
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20171007102657.0 |
| 008 |
120702c19709999|||uu 00 0 spa d |
| 245 |
1 |
4 |
|a Los foraminíferos planctónicos de la cuenca Cretácico - Terciaria en Patagonia septentrional (Argentina), con consideraciones sobre la estratigrafía de Fortín General Roca (provincia de Río Negro) /
|c Alwine Bertels.
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| 260 |
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|a ,
|c 1970
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| 504 |
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|b ca. 50 refs.
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| 504 |
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|b ca. 50 refs.
|
| 043 |
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|a s-ag
|2 827 3
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| 650 |
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7 |
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| 100 |
1 |
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|a Bertels, Alwine,
|d 1930-2001.
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| 300 |
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|a p. 1-56
|b il.
|c 23 cm.
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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 AMEGHINIANA
|w A8
|g Vol. 7, n. 1 (mar. 1970)
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| 942 |
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|c PP
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| 999 |
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|c 28780
|d 28780
|