@article{71604,
      note = {Description based on: 1989/90 (1991).},
      url = {http://digitallibrary.un.org/record/71604},
      title = {Rapport annuel... /},
      publisher = {Programme d'alimentation en eau et d'assainissement  PNUD-Banque mondiale,},
      recid = {71604},
      address = {Washington, D.C. :. 1991},
      year = {1991},
}