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|a spa
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|a 628.1
|b I62
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| 100 |
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|a Siliezar Marroquín, Sarbelio de J.
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| 245 |
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|a Investigación sobre la factibilidad de construir un embalse en el Rio Sucio para el abastecimiento de agua potable /
|c Sarbelio de J. Siliezar Marroquín ... [et al.].
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| 260 |
|
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|a San Salvador :
|b Universidad de El Salvador,
|c 1970-71
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| 300 |
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|a 4 v
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| 502 |
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|a Tesis (Ing. Civil) -- Universidad de El Salvador
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| 650 |
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|a EMBALSES-RIO SUCIO, EL SALVADOR
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| 650 |
|
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|a AGUA, SUMINISTRO DE
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|c 65729
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