@article{66605,
      url = {http://digitallibrary.un.org/record/66605},
      title = {Water-supply and waste-disposal management :  impact-evaluation guidelines.},
      publisher = {United Nations Centre for Human Settlements (Habitat),},
      recid = {66605},
      pages = {44 p. :},
      address = {Nairobi :. 1987},
      year = {1987},
}