01127nam0-22002891i-450-99000326854040332120060524144748.0000326854FED01000326854(Aleph)000326854FED0100032685420030910d1973----km-y0itay50------baengy-------001yyRelationship between internal migration and the proportion of population in the working age-group in the provincial capitals of Italy according to the 1971 population censusM. L. GentileschiCagliariInstitute of geography, Faculty of magistero, University197313 p.ItaliaDemografia074.001Gentileschi,Maria Luisa<1936- >352735ITUNINARICAUNIMARCBK990003268540403321074.001.GEN1449DECGEDECGERelationship between internal migration and the proportion of population in the working age-group in the provincial capitals of Italy according to the 1971 population census450451UNINA