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971031c19909999|||uu 00 0 eng d |
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|a Radiometric ages of tertiary ignimbrites and the Collon Cura Formation, Northwestern Patagonia /
|c M. M. Mazzoni and A. Benvenuto.
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| 260 |
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|a ,
|c 1990
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| 504 |
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|b ca. 14 refs.
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| 504 |
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|b ca. 14 refs.
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| 043 |
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|a s-ag
|2 82
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|a Mazzoni, Mario Martín,
|d 1942-1999.
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|a Benvenuto, A..
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|a p. 87-90
|b il.
|c 26 cm.
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|c AR-RiUNS
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| 866 |
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| 773 |
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|t 11§ Congreso Geológico Argentino, 1990
|w CO11
|g Vol. 1 (1990)
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| 942 |
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|c PP
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| 999 |
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|c 15080
|d 15080
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