@article{243910,
      url = {http://digitallibrary.un.org/record/243910},
      title = {Maintenance of the gas transportation pipeline systems :  replies to the questionnaire /},
      publisher = {UN,},
      recid = {243910},
      pages = {6 p.},
      address = {Geneva :. 1995-08-01},
      year = {1995},
      month = {Aug},
}