@article{243922,
      url = {http://digitallibrary.un.org/record/243922},
      title = {Problems encountered with occurrence and removal of solids  during gas extraction from the underground storage  facilities : revised questionnaire /},
      publisher = {UN,},
      recid = {243922},
      pages = {4 p.},
      address = {Geneva :. 1997-05-28},
      year = {1997},
      month = {May},
}