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100   $a20030910d1962----km-y0itay50------ba
101 0 $aeng
102   $aIT
200 1 $a<<The >>theory of economic progress$ea study of the fundamentals of economic development and cultural change$fC.E. Ayres
205   $a2nd ed.
210   $aNew York$cSchocken Books$d1962.
215   $axxxi, 317 p.$d21 cm
225 1 $aSchocken paperbacks$v33
610 0 $aSviluppo economico
610 0 $aTecnologia e crescita economica
702  1$aAyres,$bClarence Edwin
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990003852570403321
952   $aF/3.2 AYR$b025762$fSES
959   $aSES
996   $aTheory of economic progress$9515401
997   $aUNINA