LEADER 00813nam0-22003011i-450- 001 990003858280403321 005 20080115132720.0 035 $a000385828 035 $aFED01000385828 035 $a(Aleph)000385828FED01 035 $a000385828 100 $a20030910d--------km-y0itay50------ba 101 0 $aita 102 $aIT 200 1 $aFarming Systems in the Tropics$fHans Ruthenberg. 210 $aOxford$cClarendon Press$d1971. 215 $axiv, 313 p.$cill.$d24 cm 610 0 $aAgricoltura$aAfrica 676 $aF/1.121 676 $aH/1.110 700 1$aRuthenberg,$bHans$0118444 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990003858280403321 952 $aF/1.121 RUT/1$b5515/I$fSES 959 $aSES 996 $aFarming Systems in the Tropics$9515024 997 $aUNINA