@article{466283,
      url = {http://digitallibrary.un.org/record/466283},
      title = {Globally Harmonized System of Classification and Labelling  of Chemicals., Chapter 1.3,: Precedence for the allocation  of symbols /},
      publisher = {UN,},
      recid = {466283},
      pages = {[1] p.},
      address = {Geneva :. 2002-04-25},
      year = {2002},
      month = {Apr},
}