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00710nam a22002051a 4500 |
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UNA01000074506 |
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20120328192612.0 |
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080728s1997 000 0 eng d |
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|a 9280114492
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040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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0 |
4 |
|a 574.52636
|b G779m
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100 |
1 |
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|a Gray, J.S.
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245 |
1 |
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|a Marine biodiversity :
|b patterns, threats and conservation needs /
|c J.S. Gray
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260 |
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|a London :
|b International Maritime Organization ,
|c 1997
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300 |
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|a 24 p.
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490 |
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|a GESAMP Reports and Studies no.62
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650 |
0 |
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|a BIODIVERSIDAD
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650 |
0 |
4 |
|a CONSERVACION DE L0S RECURSOS NATURALES
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650 |
0 |
4 |
|a CONSERVACION DE LOS RECURSOS NATURALES
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650 |
0 |
4 |
|a AMBIENTE ACUATICO
|