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100   $a20000920d--------km-y0itay50------ba
101 0 $aENG
200 1 $aAggregate economics and public policy$fby Barry N. Siegel.
210   $aHomewood$dIll.$cRichard D. Irwin$d1960.
215   $a337 p.$d24 cm
225 1 $aIrwin series in economics
700  1$aSiegel,$bBarry N.$0118473
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990003005640403321
952   $aN/1.4 SIE bis$b3254/I$fSES
952   $aN/1.4 SIE$b018182$fSES
959   $aSES
996   $aAggregate economics and public policy$943963
997   $aUNINA