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100   $a20090224d1960----km-y0itay50------ba
101 0 $aeng
102   $aUS
105   $ay-------001yy
200 1 $aDemographic and economic change in developed countries$ea conference of the Universities-National Bureau committee for economic research$fa report of the National Bureau of economic research, New York
210   $aPrinceton$cPrinceton university press$d1960
215   $aXI, 536 p.$d24 cm
225 2 $aSpecial conference series$v11
410  0$12001$aSpecial conference series
500 10$aDemographic and economic change in developed countries$959611
712 02$aNational bureau of economic research$c<Stati Uniti d'America>
801  0$aIT$bUNIPARTHENOPE$c20090224$gRICA$2UNIMARC
912   $a000023486
951   $a122/8$b1390$cNAVA2
996   $aDemographic and economic change in developed countries$959611
997   $aUNIPARTHENOPE