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00822nam a22002291a 4500 |
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UNA01000051708 |
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20120328191257.0 |
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080728s1998 000 0 eng d |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
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|a 363.1792
|b I-61-i
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|a International Conference on Pesticide use in Developing Countries ; Impact on Health and Environment (1998 feb. 23-28 : San José, C.R.)
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| 245 |
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|a Final proceedings /
|c editor Yamileth Astorga
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| 260 |
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|a Heredia, C.R. :
|b Universidad Nacional, IRET ,
|c 1998
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| 300 |
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|a 88 p. ;
|c 21 cm.
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|a IMPACTO AMBIENTAL
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|a PLAGUICIDAS
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| 650 |
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|a SANEAMIENTO AMBIENTAL
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| 650 |
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|a MEDIO AMBIENTE
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| 650 |
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|a AGRICULTURA
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| 650 |
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|a SALUD
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| 650 |
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|a PRODUCTOS QUIMICOS AGRICOLAS
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| 700 |
1 |
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|a Astorga, Yamileth
|