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AR-CrUNPB |
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170901s1968 mx r 000 0 spa d |
| 040 |
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|a AR-CrUNPB
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| 082 |
0 |
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|a 552.8/W.19
|2 20
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| 100 |
1 |
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|a Williams, Howel
|9 9764
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| 700 |
1 |
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|a Turner, Francis J
|9 9765
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| 700 |
1 |
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|a Gilbert, Charles M
|9 9766
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| 245 |
1 |
0 |
|a Petrografia :
|b introduccion al estudio de las rocas en secciones delgadas /
|c Howel Williams
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| 255 |
|
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|a .8
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| 260 |
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|a México, D.F. :
|b Compañia Editorial Continental,
|c 1968
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| 300 |
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|a 430 p
|
| 590 |
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|a Registros migrados a formato MARC
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| 650 |
|
7 |
|a PETROLOGIA
|2 Unescot
|9 4973
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| 650 |
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4 |
|a PETROGRAFIA
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| 942 |
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|c BK
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| 910 |
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|a ad990720
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| 999 |
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|c 61794
|d 61794
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