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| LEADER |
01344nam a2200253 a 4500 |
| 008 |
050201s1975||||es |||||||||||||||||spa|| |
| 041 |
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|a spa
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| 094 |
|
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|a 628.16
|b M828e
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| 100 |
|
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|a Morales Sandoval, Plutarco Antonio
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| 245 |
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|a Evaluación del problema de la remoción del hierro y manganeso en aguas naturales / Plutarco antonio Morales Sandoval.
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| 260 |
|
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|a San Salvador :
|b Universidad de El Salvador,
|c 1975
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| 300 |
|
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|a 130 h. :
|
| 502 |
|
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|a Tesis (Ing. Civil) -- Universidad de El Salvador, San Salvador, 1975
|
| 650 |
|
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|a AGUA-PURIFICACION
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| 650 |
|
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|a HIERRO-CONTROL QUIMICO
|
| 650 |
|
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|a MANGANESO-CONTROL QUIMICO
|
| 991 |
|
|
|a No asignado
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| 992 |
|
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|a 08/02/2011
|
| 942 |
|
|
|c BK
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| 999 |
|
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|c 73860
|d 73860
|
| 952 |
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|d 2012-08-15
|i 10106176
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|r 2012-08-15
|t 1
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| 952 |
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| 952 |
|
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|0 0
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