00885nam0-22003011--450-99000908395040332120100928081539.0000908395FED01000908395(Aleph)000908395FED0100090839520090831d1956----km-y0itay50------baengUSy-------001yyPopulation theory and policyselected readingsedited by Joseph J. Spengler and Otis Dudley DuncanGlencoeFree Press1956X, 522 p.24 cm320.911 rid.itaDuncan,Otis Dudley<1921- >Spengler,Joseph John<1902-1991>ITUNINARICAUNIMARCBK990009083950403321XV D 25952427FGBCFGBCPopulation theory and policy784413UNINA