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100   $a20080715d1990----km-y0itay50------ba
101 0 $aeng
102   $aGB
105   $ay-------001yy
200 1 $aInstrumental variables$fRoger J. Bowden and Darrell A. Turkington
210   $aCambridge$cCambridge University Press$d1990
215   $aVIII, 227 p.$cgraf.$d23 cm
225 2 $aEconometric society monographs in quantitative economics
410  0$12001$aEconometric society monographs in quantitative economics
610 1 $aVariabile strumentale <econometria>
700  1$aBowden,$bRoger John$0121361
701  1$aTurkington,$bDarrell A.$0266648
801  0$aIT$bUNIPARTHENOPE$c20080715$gRICA$2UNIMARC
912   $a000014316
951   $a213/42$b6905$cNAVA2
996   $aInstrumental variables$91202478
997   $aUNIPARTHENOPE