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100   $a20010829d1990-------|0enac50------ba
101   $aeng
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200 1 $aFood crops vs. feed crops: global substitution of grains in production$fDavid Barkin, Rosemary L. Batt, Billie R. De Walt
210   $aLondon$cLynne Rienner Publisher s$d1990 - 168 p. ; 23 cm
606   $aRifornimento alimentare$xSviluppo nazionale$2FI
606   $aMalnutrizione$xSviluppo Nazionale$2FI
620   $dLondon
676   $a338.1$cAgricoltura$v21
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979   $c20121027$lUSA01$h1531
979   $c20121027$lUSA01$h1612
996   $aFood crops vs. feed crops: global substitution of grains in production$91142744
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