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LEADER |
01697nam a2200337 a 4500 |
008 |
050201s1968||||es |||||||||||||||||spa|| |
041 |
|
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|a spa
|
094 |
|
|
|a 625.734
|b L864e
|
100 |
|
|
|a López Trujillo, Rodolfo Antonio
|
700 |
|
|
|a Velasco Morán, José
|e Asesor
|
245 |
|
|
|a Estudio y diseño para el drenaje en tierras agrícolas
|
260 |
|
|
|a San Salvador :
|b Universidad de El Salvador,
|c 1968
|
300 |
|
|
|a 80 h.
|
502 |
|
|
|a Tesis (Ingeniero Civil) -- Universidad de El Salvador
|
592 |
|
|
|a Estudios preliminares de drenaje agrícola
|
592 |
|
|
|a Estudios preliminares de los suelos
|
592 |
|
|
|a Estudios preliminares de hidrología
|
592 |
|
|
|a Métodos de drenaje
|
592 |
|
|
|a Bombeo
|
592 |
|
|
|a Gravedad
|
592 |
|
|
|a Diseño del sistema de avenamiento
|
592 |
|
|
|a Análisis económico del sistema de drenaje
|
991 |
|
|
|a bc_mercy
|
992 |
|
|
|a 26/07/2006
|
942 |
|
|
|c BK
|
999 |
|
|
|c 55687
|d 55687
|
952 |
|
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|0 0
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952 |
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