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050201s1992||||||||||||||||||||||||eng|| |
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|a eng
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|a International Institute for Environment and Development
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| 110 |
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|a World Resources Institute
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|a International Union for Conservation of Nature and Natural Resources
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| 245 |
0 |
0 |
|a 1993 directory of country environmental studies:
|b an annotated bibliography of environmental ...
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| 260 |
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|a s.l. :
|b World Resources Institute,
|c 1992
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| 300 |
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|a 230 p.
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| 650 |
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|a CONSERVACION DE LA NATURALEZA-DIRECTORIOS
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| 650 |
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|a CAMPO-ASPECTOS AMBIENTALES-DIRECTORIOS
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