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| LEADER |
00593nam a22001571a 4500 |
| 001 |
UNA01000040330 |
| 005 |
20120328190645.0 |
| 008 |
080728s1988 000 0 spa d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
|
| 082 |
0 |
4 |
|a 574.73
|b U58u
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| 245 |
0 |
0 |
|a U.S. strategy on the conversation of biological deversity . an interagency task force report to congress
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| 260 |
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|a Heredia, C.R. :
|b Universidad Nacional, Biblioteca ,
|c 1988
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| 300 |
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|a ix, 53 hojas ;
|c 19x26 cm.
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| 650 |
0 |
4 |
|a BIOLOGIA
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| 650 |
0 |
4 |
|a CONSERVACION DE LOS RECURSOS
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| 650 |
0 |
4 |
|a ESTADOS UNIDOS DE AMERICA
|