01020nam0-22003131i-450-99000258658040332192-1-151232-8000258658FED01000258658(Aleph)000258658FED0100025865820000920d1991----km-y0itay50------baENGWorld urbanization prospects 1990estimates and projections of urban and rural populations and of urban agglomerationsUnited Nations. Department of International Economical and Social Affairs.New YorkUnited Nations1991.viii, 223 p.28 cm121DemografiaDemografia sociale304.6Nazioni Unite.Department of Economic and Social Affairs493245ITUNINARICAUNIMARCBK990002586580403321XXIII-E-391742MASMASWorld urbanization prospects 1990435029UNINAING01