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00724nam a22002171a 4500 |
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UNA01000060781 |
| 005 |
20120328191823.0 |
| 008 |
080728s1990 000 0 eng d |
| 020 |
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|a 0933280947
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| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 333.7
|b E61er
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| 245 |
0 |
0 |
|a Environmental restoration :
|b science and strategies for restoring the earth /
|c John J. Berger, editor
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| 260 |
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|a Washington, D.C. :
|b Island Press ,
|c 1990
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| 650 |
0 |
4 |
|a RESTAURACION
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| 650 |
0 |
4 |
|a TIERRA (PLANETA)
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| 650 |
0 |
4 |
|a AGRICULTURA SOSTENIBLE
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| 650 |
0 |
4 |
|a CONSERVACION DE LA NATURALEZA
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| 650 |
0 |
4 |
|a SUELO
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| 650 |
0 |
4 |
|a TRATAMIENTO DE RESIDUOS
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| 650 |
0 |
4 |
|a RESIDUOS ORGÁNICOS
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| 650 |
0 |
4 |
|a ECOLOGÍA MARINA
|