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100   $a20021021d1975----km-y0itay50------ba
101 0 $aeng
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105   $a--------001yy
200 1 $a<<An >>introduction to positive economics$fRichard G. Lipsey
205   $a4nd ed.
210   $aLondon$cWeidenfeld & Nicolson$d1975
215   $aXX, 827 p$d25 cm
610 0 $aEconomia
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700  1$aLipsey,$bRichard G.$g<Richard George ;$f1928- >$048856
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $aXV B 65$b306$fDTE
959   $aDTE
996   $aIntroduction to positive economics$912460
997   $aUNINA