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00845nam a22002771a 4500 |
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UNA01000046920 |
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20130204154237.0 |
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080728s1997 gw r 000 0 spa d |
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|a 3540618813
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a 574.52632
|b A544p
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| 100 |
1 |
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|a Andersen, Tom,
|d 1955-
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1 |
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|a Pelagic nutrient cycles :
|b herbivores as sources and sinks /
|c Tom Andersen.
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| 260 |
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|a Berlin :
|b Springer ,
|c 1997.
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| 300 |
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|a 280 p. :
|b il. ;
|c 24 cm.
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|a Ecological studies ;
|v 129
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4 |
|a EUTROFIZACIÓN DEL AGUA
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0 |
4 |
|a LAGOS
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4 |
|a ALGA
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| 650 |
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4 |
|a ALGA
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| 650 |
0 |
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|a NUTRICIÓN DE LAS PLANTAS
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| 650 |
0 |
4 |
|a PLANCTON
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| 650 |
0 |
4 |
|a PLANTAS ACUÁTICAS
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| 650 |
0 |
4 |
|a ANIMALES ACUÁTICOS
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| 650 |
0 |
4 |
|a CONTAMINACION DEL AGUA
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| 650 |
0 |
4 |
|a NUTRICION ANIMAL
|