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| 020 |
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|a AR-SmtFML
|c AR-SmtFML
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| 041 |
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|a spa
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| 100 |
1 |
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|a Bonet,F.
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| 245 |
1 |
0 |
|a Zonificación microfaunistica de las calizas cretacicas del este de Mexico
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| 250 |
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| 260 |
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|a Mexico - MEXI
|c 1956
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| 300 |
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|a 102p.
|c 22cm
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| 490 |
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0 |
|a Congreso Geologico Internacional,20º.Mexico,1956
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| 650 |
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4 |
|x Calizas
|x Cretacico
|x Paleozoologia
|x Mexico
|x Geologia
|z Mexico
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| 650 |
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|a Geologia
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| 859 |
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|m 55(061.3)1956 C749z
|a 84291
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| 901 |
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|a L.C
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| 942 |
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|c BK
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| 999 |
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|c 5168
|d 5168
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