00799nam0-2200289---450-99000910849040332120091023125504.0000910849FED01000910849(Aleph)000910849FED0100091084920091023d1957----km-y0itay50------baengUS--------001yyTechnology and social changeFrancis R. Allen ... [et al.]New YorkAppleton-Century-Crofts1957XII, 529 p.ill.24 cmSociology seriesAllen,Francis R.ITUNINARICAUNIMARCBK99000910849040332114340 ALL2265/ISESSESTechnology and Social Change455406UNINA