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|a 665.77
|b A283e
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|a Aguilar Cuestas, José Roberto
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| 245 |
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|a Evaluación del potencial del biogas como fuente energética en El Salvador
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| 260 |
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|a San Salvador :
|b Universidad Centroamericana "José Simeón Cañas",
|c 1985
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| 300 |
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|a 98 h. ;
|b il
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| 502 |
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|a Tesis (Ing. Química) -- Universidad Centroamericana "José Simeón Cañas".
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| 650 |
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|a BIOGAS
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