LEADER 00917nam0-22003011i-450- 001 990004351380403321 005 20050204154234.0 035 $a000435138 035 $aFED01000435138 035 $a(Aleph)000435138FED01 035 $a000435138 100 $a19990604d1978----km-y0itay50------ba 101 0 $aita 105 $aa-------00--- 200 1 $a<>agricultural systems of the world$ean evolutionary approach$fD. B. Grigg 205 $aRepr. 210 $aCambridge , London$cCambridge University press$d1978. 215 $aIX, 358 p.$cill.$d24 cm 225 1 $aCambridge geographical studies$v5 676 $a338.162$v21$zita 700 1$aGrigg,$bDavid$f<1934- >$089260 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990004351380403321 952 $a338.16 GRI 1$bI.st.r.c.2635$fFLFBC 959 $aFLFBC 996 $aAgricultural systems of the world$9486251 997 $aUNINA