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100   $a20021010d1969----km-y0itay50------ba
101 0 $aita
200 1 $aElementary mathematical economics$fby S. G. B. Henry
210   $aLondon$cRoutledge & Kegan Paul$d1969
215   $aX, 111 p.$d19 cm
225 1 $aStudents library of economics
700  1$aHenry,$bSamuel G. B.$0494011
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990007294230403321
952   $aXV I 8$bs.i.$fDTE
959   $aDTE
996   $aElementary mathematical economics$947859
997   $aUNINA
DB    $aGEN01