00746nam0-22002651i-450-990002527690403321000252769FED01000252769(Aleph)000252769FED0100025276920000920d1987----km-y0itay50------baENGMethodes Statistique des SondagesJean Marie Gosbras.ParisEconomica1987.331 p.24 cmPianificazioni di indagini, CampionamentoGrosbras,Jean Marie103029ITUNINARICAUNIMARCBK990002527690403321XV-B-5506MASMASMethodes Statistique des Sondages438922UNINAING01