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00789nam a2200313 i 4500 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a P01
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| 911 |
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|a M
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| 978 |
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|a EMF
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| 979 |
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|a 14-03-2006
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|a DOC
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| 991 |
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|a ECILMARZ
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| 035 |
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|a 023491
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| 041 |
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|a eng
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| 092 |
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|a P01 B789
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| 100 |
1 |
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|a Boyd Orr, L.J.
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| 245 |
1 |
0 |
|a Protect and produce: Soil conservation for development
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| 260 |
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|a Rome (Italy) :
|b ,
|c 1948?
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| 264 |
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|a Rome (Italy) :
|b ,
|c 1948?
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| 300 |
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|a 40 p.
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| 500 |
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|a Ilus.
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| 650 |
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7 |
|a RECURSOS DE LA TIERRA
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| 650 |
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7 |
|a UTILIZACION DE LA TIERRA
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| 650 |
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7 |
|a ORDENACION DE TIERRAS
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| 650 |
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7 |
|a REVESTIMIENTO DE PROTECCION
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| 650 |
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7 |
|a AGRICULTURA
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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 D0955/05
|o P01 B789
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