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035   $a(Aleph)000174098FED01
035   $a000174098
100   $a20030910d1989----km-y0itay50------ba
101 0 $aeng
102   $aUS
200 1 $a<<An >>introduction to the physiology of crop yield$fRobert K.M. Hay, Andrew J. Walker
210   $aNew York$cLongman Scientific and Technical$d1989
215   $aXVI, 292 p.$d25 cm
610 0 $aAgronomia
676   $a633
700  1$aHay,$bRobert K. M.$0355682
701  1$aWalker,$bAndrew J.$075412
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990001740980403321
952   $a60 633 HAYR 1989$b2389$fFAGBC
959   $aFAGBC
996   $aIntroduction to the physiology of crop yield$91553491
997   $aUNINA