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|a Sistema Bibliotecario Universidad de El Salvador
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|a 551.22
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|a Udías Vallina, Agustín
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| 245 |
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|a Fundamentos de sismología /
|b Agustín Udías Vallina, Julio Mézcua Rodríguez
|
| 250 |
|
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|a 2a ed.
|
| 260 |
|
|
|a San Salvador, El Salvador :
|b UCA Editores,
|c 1977
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| 300 |
|
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|a 200 p. :
|b il. ;
|c 25 cm.
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| 336 |
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|2 rdacontent
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|a Colección Textos Universitarios;
|v 25
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| 650 |
|
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|a Sismología
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| 700 |
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|a Mézcua Rodríguez, Julio
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