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00654nam a22001931a 4500 |
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UNA01000000808 |
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20120328184401.0 |
| 008 |
080728s1948 000 0 eng d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 639.9
|b G326p
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| 100 |
1 |
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|a General Assembly of International Union for Conservation of Nature and Natural Resources
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| 245 |
1 |
0 |
|a Proceedings
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| 260 |
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|a Fontainebleau :
|b IUCN ,
|c 1948-
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| 300 |
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|a v.
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| 500 |
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|a En la Btca: 7th.,8th.,9th.,10th.,11th.
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| 650 |
0 |
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|a CONSERVACION DE LOS RECURSOS NATURALES
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| 650 |
0 |
4 |
|a PROTECCION DE LA NATURALEZA
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| 650 |
0 |
4 |
|a REUNIONES
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| 650 |
0 |
4 |
|a CONFERENCIAS
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