00988nam0 2200241 450 00002348620090224122459.020090224d1960----km-y0itay50------baengUSy-------001yyDemographic and economic change in developed countriesa conference of the Universities-National Bureau committee for economic researcha report of the National Bureau of economic research, New YorkPrincetonPrinceton university press1960XI, 536 p.24 cmSpecial conference series112001Special conference seriesDemographic and economic change in developed countries59611National bureau of economic research<Stati Uniti d'America>ITUNIPARTHENOPE20090224RICAUNIMARC000023486122/81390NAVA2Demographic and economic change in developed countries59611UNIPARTHENOPE