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100   $a20021010d1999----km-y0itay50------ba
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200 1 $a<<A >>semiflexible, concave and separable quadratic demand system$fDaniele Moro, Paolo Sckockai.
210   $aPiacenza$cUniversita Cattolica del Sacro Cuore$d1999.
215   $a18 p.$d30 cm
225 1 $aWorking paper. Università cattolica del S. Cuore, Istituto di economia agro-alimentare$v1
610 0 $aEconomia della produzione
676   $a523
700  1$aMoro,$bDaniele$079045
702  1$aSckokai,$bPaolo
801  0$aIT$bUNINA$gRICA$2UNIMARC
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