@article{116901,
      note = {At head of title: Department of International Economic and  Social Affairs.},
      url = {http://digitallibrary.un.org/record/116901},
      title = {World urbanization prospects 1990 : estimates and  projections of urban and rural populations and of urban  agglomerations.},
      publisher = {UN,},
      recid = {116901},
      pages = {viii, 223 p. :},
      address = {New York :. 1991},
      year = {1991},
}