@article{243636,
      url = {http://digitallibrary.un.org/record/243636},
      title = {Repair and rehabilitation of urban gas distribution  systems : reply to questionnaire /},
      publisher = {UN,},
      recid = {243636},
      pages = {3 p.},
      address = {Geneva :. 1995-07-24},
      year = {1995},
      month = {Jul},
}