@article{236349,
      url = {http://digitallibrary.un.org/record/236349},
      title = {Classification of nitrogen trifluoride, compressed /},
      publisher = {UN,},
      recid = {236349},
      pages = {5 p.},
      address = {Geneva :. 1996-04-19},
      year = {1996},
      month = {Apr},
}