01010nam0-22002651i-450-990002526520403321000252652FED01000252652(Aleph)000252652FED0100025265220000920d1964----km-y0itay50------baENGStudies on Fertility and Social mobility Proceedings of the International DemographicsSimposyum Held November 20 30 1962 at the Hungarien Academy of sciences BudapestEgon Szabady.BudapestAkademia Kiado'1964.331 p.25 cmDemografia, Fecondità e fertilitàmonografieSzabady,EgonITUNINARICAUNIMARCBK990002526520403321XXIII-A-92611MASMASStudies on Fertility and Social mobility Proceedings of the International DemographicsSimposyum Held November 20 30 1962 at the Hungarien Academy of sciences Budapest438740UNINAING01