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00804nam a2200241 u 4500 |
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000088777 |
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20050422113837.0 |
| 008 |
1987 s1987 ja ||||| eng |
| 035 |
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|a 67474
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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0 |
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|a 579.4
|b V297d
|2 21
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| 100 |
1 |
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|a Vargas Vargas, Ronald
|e Autor/a
|4 aut
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1 |
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|a Dynamics of protozoa in soil aggregates /
|c Ronald Vargas Vargas
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| 260 |
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|a Japan,
|c 1987.
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| 300 |
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|a vi, 119 hojas :
|b ilustraciones, 7 fotografías
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| 500 |
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|a Thesis (doctor agronomy in soil microbiology)--Tohoku University. Faculty of Agriculture, 1987.
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| 650 |
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|a PROTOZOOS
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| 650 |
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|a PROTOZOOLOGIA
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| 900 |
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|a 2005
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| 912 |
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|a 22-APR-2005 - SANCHEZ VELASQUEZ, AURA
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| 949 |
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|a IG-IG
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| 916 |
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|a Centro Catalográfico
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