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| LEADER |
00899nam a2200361 i 4500 |
| 007 |
ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a P11
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| 911 |
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|a M
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| 978 |
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|a BGF
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| 979 |
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|a 29-09-1998
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| 980 |
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|a RSM
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| 981 |
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|a 28/09/2020
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| 991 |
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|a DOC
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| 991 |
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|a Arreglo de Inventario 2018-2019
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| 991 |
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|a arreglojlm28920
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| 035 |
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|a 005289
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| 041 |
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|a spa
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| 092 |
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|a P11 G769
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| 100 |
1 |
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|a Graái, Carlos J.
|
| 245 |
1 |
0 |
|a Manual de drenaje agrícola
|
| 260 |
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|a Mérida (Venezuela) :
|b ,
|c 1975
|
| 264 |
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|a Mérida (Venezuela) :
|b ,
|c 1975
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| 300 |
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|a iii, 197 p.
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| 500 |
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|a Ilus.; 36 ref.
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| 650 |
|
7 |
|a DRENAJE
|
| 650 |
|
7 |
|a CONTENIDO DE AGUA EN EL SUELO
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| 650 |
|
7 |
|a ASPECTOS FISIOGRAFICOS
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| 650 |
|
7 |
|a ZONA ARIDA
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| 650 |
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7 |
|a ZONA HUMEDA
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| 650 |
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7 |
|a INVESTIGACION
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| 942 |
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|c BK
|2 agris
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| 952 |
|
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1944/98
|o P11 G769
|