@article{243626,
      url = {http://digitallibrary.un.org/record/243626},
      title = {Measures of gas conservation and study of results : reply  to the questionnaire /},
      publisher = {UN,},
      recid = {243626},
      pages = {4 p. :},
      address = {Geneva :. 1995-07-11},
      year = {1995},
      month = {Jul},
}