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| 020 |
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|a AR-SmtFML
|c AR-SmtFML
|
| 041 |
|
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|a spa
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| 100 |
1 |
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|a Guzman,Eduardo J.
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| 245 |
1 |
0 |
|a Symposium sobre yacimientos de petroleo y gas.America del Sur y Antillas
|
| 250 |
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| 260 |
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|a Mexico - MEXI
|c 1956
|
| 300 |
|
|
|a v.4
|
| 490 |
|
0 |
|a Congreso Geologico Internacional,20º.Mexico,1956
|
| 650 |
|
4 |
|x Congresos
|x Petroleo
|x Gas
|x Yacimientos petroliferos
|x Geologia
|z America del SurAntillas
|
| 650 |
|
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|a Geologia
|
| 859 |
|
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|m 55(061.3)1956 C749symp
|a 84255
|c v.4
|
| 901 |
|
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|a L.C
|
| 942 |
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|c BK
|
| 999 |
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|c 7402
|d 7402
|