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| LEADER |
01132nam a2200229 a 4500 |
| 008 |
050201s1959||||es |||||||||||||||||spa|| |
| 041 |
|
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|a spa
|
| 094 |
|
|
|a 614.852
|b V438c
|
| 100 |
|
|
|a Velásquez, Elena A.
|
| 245 |
|
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|a Contribución al estudio de contaminantes industriales del país higiene industrial
|
| 260 |
|
|
|a San Salvador :
|b Universidad de El Salvador,
|c 1959
|
| 300 |
|
|
|a 47 h.
|
| 502 |
|
|
|a Tesis (Doctora en Química y Farmacia) -- Universidad de El Salvador
|
| 592 |
|
|
|a Contaminantes industriales
|
| 991 |
|
|
|a bc_oscar
|
| 992 |
|
|
|a 20/02/2006
|
| 942 |
|
|
|c BK
|
| 999 |
|
|
|c 68003
|d 68003
|
| 952 |
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|
|0 0
|1 0
|4 0
|6 614_852000000000000_V438C
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|a 10
|b 10
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|d 2012-08-15
|i 10106865
|o 614.852 V438c
|p 10106865
|r 2012-08-15
|w 2012-08-15
|y TS
|
| 952 |
|
|
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| 952 |
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|0 0
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|d 2012-08-15
|i 10106867
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| 952 |
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|0 0
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