@article{93902,
      url = {http://digitallibrary.un.org/record/93902},
      title = {Listing and classification : sodium sulphide, anhydrous /},
      publisher = {UN,},
      recid = {93902},
      pages = {[1] p.},
      address = {Geneva :. 1986-06-13},
      year = {1986},
      month = {Jun},
}