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00921nam a2200217 a 4500 |
| 008 |
050201s1971||||es a |||||||||||||spa|| |
| 041 |
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|a spa
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| 094 |
|
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|a 628.21
|b G633a
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| 100 |
|
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|a Gómez Chávez, Julio
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| 245 |
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|a Análisis comparativo entre drenaje menor, de estructura rígida y flexible en carreteras
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| 260 |
|
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|a San Salvador :
|b Universidad de El Salvador,
|c 1971
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| 300 |
|
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|a 70 h. ;
|b il
|
| 502 |
|
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|a Tesis (Ing. Civil) -- Universidad de El Salvador
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| 650 |
|
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|a ALCANTARILLADO-EL SALVADOR
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| 650 |
|
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|a CARRETERAS-CONSTRUCCION
|
| 991 |
|
|
|a bc_mercy
|
| 992 |
|
|
|a 28/07/2006
|
| 942 |
|
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|c BK
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| 999 |
|
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|c 65757
|d 65757
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| 952 |
|
|
|0 0
|1 0
|4 0
|6 628_210000000000000_G633A
|7 0
|8 T
|9 117273
|a 10
|b 10
|c T
|d 2012-08-15
|i 10106225
|o 628.21 G633a
|p 10106225
|r 2012-08-15
|t 1
|w 2012-08-15
|y TS
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 628_210000000000000_G633A
|7 0
|8 T
|9 117274
|a 10
|b 10
|c T
|d 2012-08-15
|i 10106226
|o 628.21 G633a
|p 10106226
|r 2012-08-15
|t 2
|w 2012-08-15
|y TS
|