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100   $a20000920d1991----km-y0itay50------ba
101 0 $aENG
200 1 $aWorld urbanization prospects 1990$eestimates and projections of urban and rural populations and of urban agglomerations$fUnited Nations. Department of International Economical and Social Affairs.
210   $aNew York$cUnited Nations$d1991.
215   $aviii, 223 p.$d28 cm
225 1 $a$v121
610 0 $aDemografia
610 0 $aDemografia sociale
676   $a304.6
710 11$aNazioni Unite.$bDepartment of Economic and Social Affairs$0493245
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $aXXIII-E-39$b1742$fMAS
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996   $aWorld urbanization prospects 1990$9435029
997   $aUNINA
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