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| LEADER |
00954nam a2200349 i 4500 |
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ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a N20
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| 911 |
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|a AS
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| 978 |
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|a FMR
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| 979 |
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|a 12/04/2011
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| 991 |
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|a PP
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| 991 |
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|a FMR/ABR/11
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| 035 |
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|a 049657
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| 041 |
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|a spa
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| 092 |
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|a PP N20 G229
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| 100 |
1 |
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|a Garcia Ledesma, A.=700 1
|a Sanchez Torres, F.
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| 700 |
1 |
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|a Ulloa Torres, O.
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| 700 |
1 |
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|a Zepeda del Valle, J.M.
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| 245 |
1 |
0 |
|a Factores y procedimientos para la seleccion de maquinaria agricola en Mexico
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| 773 |
0 |
# |
|k Revista Chapingo (Mexico)
|z IáN 0186-3231
|z IáN 0186-3231
|g v. 15(76) p.129-134
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| 500 |
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|a Ilus., 10 ref.
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| 520 |
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|a (En, Es)
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| 650 |
|
7 |
|a EQUIPO DE LA EXPLOTACION AGRARIA
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| 650 |
|
7 |
|a MECANIZACION
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| 650 |
|
7 |
|a AGRICULTURA
|
| 650 |
|
7 |
|a DESARROLLO AGRICOLA
|
| 650 |
|
7 |
|a PRODUCCION
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| 650 |
|
7 |
|a PRODUCTIVIDAD
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| 650 |
|
7 |
|a MEXICO
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| 653 |
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|a REVISTA CHAPINGO
|
| 942 |
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|c BK
|2 agris
|