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| LEADER |
01266nam a2200241 a 4500 |
| 008 |
050201s1975||||es |||||||||||||||||spa|| |
| 041 |
|
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|a spa
|
| 094 |
|
|
|a 628.168
|b F194e
|
| 100 |
|
|
|a Falla Velasco, Rosa Margarita
|
| 245 |
|
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|a Evaluación de la contaminación por plomo en el agua potable de la zona metropolitana de San Salvador
|
| 260 |
|
|
|a San Salvador :
|b Universidad de El Salvador,
|c 1975
|
| 300 |
|
|
|a s.p
|
| 502 |
|
|
|a Tesis (Ing. Química) -- Universidad de El Salvador
|
| 650 |
|
|
|a AGUA POTABLE-EL SALVADOR-CONTAMINACION
|
| 650 |
|
|
|a INTOXICACION PLUMBICA
|
| 991 |
|
|
|a bc_mercy
|
| 992 |
|
|
|a 28/07/2006
|
| 942 |
|
|
|c BK
|
| 999 |
|
|
|c 37168
|d 37168
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 628_168000000000000_F194E
|7 0
|8 T
|9 55288
|a 10
|b 10
|c T
|d 2012-08-16
|i 10106204
|o 628.168 F194e
|p 10106204
|r 2012-08-16
|t 1
|w 2012-08-16
|y TS
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 628_168000000000000_F194E
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|9 55289
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|b 10
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|d 2012-08-16
|i 10106205
|o 628.168 F194e
|p 10106205
|r 2012-08-16
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|w 2012-08-16
|y TS
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| 952 |
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|
|0 0
|1 0
|4 0
|6 1975_000000000000000_F3V
|7 0
|8 T
|9 55290
|a 15
|b 15
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|d 2012-08-16
|i 15105176
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|p 15105176
|r 2012-08-16
|t 1
|w 2012-08-16
|y TS
|x 14/06/2012
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| 952 |
|
|
|0 0
|1 0
|4 0
|6 1975_000000000000000_F3V
|7 0
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|i 15105177
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|t 2
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|y TS
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|