@article{243923,
      url = {http://digitallibrary.un.org/record/243923},
      title = {Diagnostics of gas transmission lines : draft  questionnaire /},
      publisher = {UN,},
      recid = {243923},
      pages = {5 p.},
      address = {Geneva :. 1997-05-28},
      year = {1997},
      month = {May},
}