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| LEADER |
00743nam a2200289 i 4500 |
| 007 |
ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
|
| 907 |
|
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|a E90
|
| 911 |
|
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|a M
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| 978 |
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|a RSM
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| 979 |
|
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|a 20-09-2008
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| 991 |
|
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|a DOC
|
| 991 |
|
|
|a PFAR2
|
| 035 |
|
|
|a 027693
|
| 041 |
|
|
|a spa
|
| 092 |
|
|
|a E90 G643
|
| 100 |
1 |
|
|a Gonzalez Estrada, A.
|
| 245 |
1 |
0 |
|a Principios logicos, metodologicos y teoricos para la clasificacion de los sistemas agricolas
|
| 260 |
|
|
|a Chapingo (Mexico) :
|b ,
|c 1989
|
| 264 |
|
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|a Chapingo (Mexico) :
|b ,
|c 1989
|
| 300 |
|
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|a 42 p.
|
| 500 |
|
|
|a 32 ref.
|
| 650 |
|
7 |
|a SISTEMAS DE EXPLOTACION
|
| 650 |
|
7 |
|a METODOS
|
| 650 |
|
7 |
|a AGRICULTURA
|
| 942 |
|
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|c BK
|2 agris
|
| 952 |
|
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0688/08
|o E90 G643
|