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|a 615.925715
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1 |
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|a Quan Lemus, Ana Concepción
|e Autor
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| 245 |
1 |
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|a Investigación de niveles de contaminación por arsénico en El Salvador /
|c Ana Cncepción Quan Lemus; Asesores: Leticia Calderón de Machado, Alirio Bernal.
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| 260 |
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|a San Salvador :
|b Universidad de El Salvador,
|c 1976
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| 300 |
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|a [5] + 43 hojas ;
|c 28 cm
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| 502 |
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|a Tesis (Licenciada en Química y Farmacia) -- Universidad de El Salvador, 1976
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| 504 |
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|a Incluye Bibliografía.
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| 520 |
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|a Parte experimental: Equipo, metodo. -- ecuaciones. --Resultados.
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| 650 |
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|a INTOXICACION ARSENICAL
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| 650 |
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|a AGUA-CONTAMINACION-EL SALVADOR
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| 700 |
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|a Calderón de Machado, Leticia
|e Asesora
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| 942 |
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