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035   $a000385547
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100   $a20030910d1961----km-y0itay50------ba
101 0 $aeng
102   $aUS
200 1 $aAgricultural supply functions$eestimating techniques and interpretation$fedited by Earl O. Heady ... [et al.]$gAssembled and published under the sponsorship of the North Central Farm Management Research Committee
210   $aAmes, Iowa$cIowa State University Press$d1961
215   $aviii, 305 p.$cill.$d24 cm
610 0 $aEconomia agraria
702  1$aHeady,$bEarl Orel$f<1916- >
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990003855470403321
952   $aH/1.10 AGR$b026254$fSES
959   $aSES
996   $aAgricultural supply functions$9514792
997   $aUNINA