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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a F30
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| 911 |
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|a AM
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| 978 |
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|a EMF
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|a AGMOC
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|a EMF180321
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|a ACTUALIZACION DE REGISTRO 1996
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|a ISBN 968-463-048-4
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|a 003843
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|a spa
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| 092 |
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|a F01 C284
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|a Wittwer, Sylvan H.
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|a La forma de los prospectos futuros: capítulo 11
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| 773 |
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|t Biología de la productividad de cultivos
|d México (México) : AGT , 1990
|x ISBN 968-463-048-4
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| 300 |
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|a p. 361-403
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| 500 |
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|a 186 ref.
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| 650 |
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|a FITOMEJORAMIENTO
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| 650 |
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|a FACTORES AMBIENTALES
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| 650 |
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|a TECNOLOGIA APROPIADA
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|a PRODUCCION ALIMENTARIA
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|a INVESTIGACION
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|c BK
|2 agris
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|a 01
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|p L0557/96c01
|o F01 C284
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|a 01
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