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| LEADER |
01036nam a2200397 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 E16
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| 908 |
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|a A50
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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 20-03-1998
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| 980 |
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|a EMF
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| 981 |
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|a 12/08/2021
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| 991 |
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|a DOC
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| 991 |
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|a EMF090821
|
| 991 |
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|a ACTUALIZACION DE REGISTRO 1997
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| 035 |
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|a 004775
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| 041 |
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|a spa
|
| 092 |
|
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|a E16 B957
|
| 100 |
1 |
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|a Burgos, Carlos F.
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| 245 |
1 |
0 |
|a Investigación de sistemas de producción en cultivos anuales
|
| 260 |
|
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|a Turrialba (Costa Rica) :
|b Centa,
|c 1978
|
| 264 |
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|a Turrialba (Costa Rica) :
|b Centa,
|c 1978
|
| 300 |
|
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|a 26 p.
|
| 500 |
|
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|a Ilus.; 4 ref.
|
| 650 |
|
7 |
|a SISTEMAS DE EXPLOTACION
|
| 650 |
|
7 |
|a INVESTIGACION
|
| 650 |
|
7 |
|a CULTIVOS
|
| 650 |
|
7 |
|a EVALUACION
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| 650 |
|
7 |
|a EXTENSION
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| 650 |
|
7 |
|a COSTA RICA
|
| 653 |
|
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|a SISTEMAS DE PRODUCCION
|
| 942 |
|
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|c BK
|2 agris
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1281/97c01
|o E16 B957
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1283/97c02
|o E16 B957
|