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00934nam a2200253 u 4500 |
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000119525 |
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20031219075844.0 |
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030122s1996 xxu ||||| eng |
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|a 1878071300
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|a 7289503
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|a Sistema de Bibliotecas de Universidad de Costa Rica
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|a eng
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|a 577.615
|b A161i
|2 21
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|a Abramovitz, Janet N.
|e Autor/a
|4 aut
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| 245 |
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|a Imperiled waters, impoverished future :
|b the decline of freshwater ecosystems /
|c Janet N. Abramovitz; Anjali Acharya, staff researcher; Jane A. Peterson, editor
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| 260 |
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|a Washington :
|b Worldwatch Institute,
|c 1996.
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| 300 |
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|a 80 páginas
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| 490 |
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|a Worldwatch paper series ;
|v 128)
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| 650 |
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|a ECOLOGIA DE AGUA DULCE
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| 650 |
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|a CONTAMINACION DEL AGUA
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| 650 |
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|x ASPECTOS AMBIENTALES
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| 912 |
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|a 19-DEC-2003 - BARQUERO SANABRIA, PAOLA
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| 917 |
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|a 22-JAN-2003 - BARQUERO SANABRIA, PAOLA
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| 916 |
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|a Centro Catalográfico
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