LEADER 01068nam0-2200337---450 001 990009147900403321 005 20191004125744.0 010 $a978-0-85199-549-6 010 $a0-85199-549-7 035 $a000914790 035 $aFED01000914790 035 $a(Aleph)000914790FED01 035 $a000914790 100 $a20100212d2003----km-y0itay50------ba 101 0 $aeng 102 $aUS 105 $ay-------001yy 200 1 $aCrop variety improvement and its effect on productivity$ethe impact of international agricultural research$fedited by R.E. Evenson and D. Gollin 210 $aWallingford$cCABI$d2003 215 $aXXV, 522 p.$d24 cm 610 0 $aProduzione agricola 676 $a338.17$v20$zita 702 1$aEvenson,$bRobert E.$g 702 1$aGollin,$bD.$g 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990009147900403321 952 $a60 338.17 EVER 2003$b12291$fFAGBC 959 $aFAGBC 996 $aCrop variety improvement and its effect on productivity$9778688 997 $aUNINA