@article{246937,
      url = {http://digitallibrary.un.org/record/246937},
      title = {Criteria and procedures for adding heavy metals and  products to the Protocol : note /},
      publisher = {UN,},
      recid = {246937},
      pages = {8 p.},
      address = {Geneva :. 1997-11-14},
      year = {1997},
      month = {Nov},
}