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00723nam a2200229 u 4500 |
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920408s1982 xxu ||||| spa |
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|a 9275314314
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| 035 |
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|a 41163
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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0 |
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|a spa
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0 |
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|a 614
|b A282a
|2 00
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1 |
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|a Agua potable y saneamiento ambiental, 1981-1990 :
|b un camino hacia la salud
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| 260 |
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|a Washington :
|b OPS,
|c 1982.
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| 300 |
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|a ix 63 páginas ;
|c 23 cm
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| 500 |
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|a Titulo original : Drinking-water and sanitation, 1981-1990.
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| 650 |
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|a PURIFICACION DEL AGUA
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| 650 |
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|a SANEAMIENTO
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| 912 |
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|a 28-MAR-2011 - CATALOG, HE
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| 949 |
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|a -AP b AMC
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| 916 |
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|a Registros del LS-2000
|