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100   $a20060207d2004----km-y0itay50------ba
101 0 $aeng
102   $aGB
105   $a--------001yy
200 1 $aData envelopment analysis$etheory and techniques for economics and operations research$fSubhash C.Ray
210   $aCambridge$cCambridge University Press$d2004
215   $axii, 353 p.$d24 cm
610 0 $aAziende$aInnovazione tecnologica
700  1$aRay,$bSubhash C.$0499636
801  0$aIT$bUNINA$gRICA$2UNIMARC
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959   $aDAGEA
996   $aData envelopment analysis$9742534
997   $aUNINA