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101 0 $aita
102   $aIT
200 1 $a<<An >>Introduction to Agricultural Economics$fRobert C. Ross.
210   $aNew York$cMcGraw-Hill$d1951.
215   $avii, 414 p.$cill.$d24 cm
610 0 $aEconomia agraria
676   $aH/1.10
702  1$aRoss,$bRobert C.
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990003859110403321
952   $aH/1.10 ROS$b012995$fSES
959   $aSES
996   $aIntroduction to Agricultural Economics$9515191
997   $aUNINA