@article{91576,
      url = {http://digitallibrary.un.org/record/91576},
      title = {Malawi gravity-fed rural piped water programme : a case  study.},
      publisher = {United Nations Centre for Human Settlements (Habitat),},
      recid = {91576},
      pages = {iv, 42 p. :},
      address = {Nairobi :. 1989},
      year = {1989},
}