000			00284nam a2200121Ia 4500
100			_aUnited Nation
020			_a91-1-151232-8
942			_cBK
245			_aWorld urbanization prospects 1990
260			_aUnited nation, New york _c1991
082			_a301.36 Un
300			_aviii,223pp.
999			_c66745 _d66745