@article{3794200,
      url = {http://digitallibrary.un.org/record/3794200},
      title = {Listing and classification of substances and articles:  additional substances. Proposal by the expert of the United  Kingdom},
      publisher = {UN,},
      recid = {3794200},
      pages = {14 p.},
      address = {[Geneva] :. 1973-07-19},
      year = {1973},
      month = {Jul},
}