@article{243635,
      url = {http://digitallibrary.un.org/record/243635},
      title = {Repair and rehabilitation of urban gas distribution  systems : draft questionnaire /},
      publisher = {UN,},
      recid = {243635},
      pages = {3 p.},
      address = {Geneva :. 1995-01-18},
      year = {1995},
      month = {Jan},
}