00823nam0-22003131i-450-990003197350403321000319735FED01000319735(Aleph)000319735FED0100031973520000920d1968----km-y0itay50------baitaITSociety and PopulationDavid M. Heer.Englewood CliffsN.J.Prentice-Hall1968.ix, 118 p.24 cmFoundations of Modern Sociology SeriesDemografia1530015310Heer,David M.ITUNINARICAUNIMARCBK99000319735040332115300 HEE041018SESSESSociety and Population453198UNINAING01