@article{668541,
      note = {Includes bibliographical references (p. 10-12).},
      url = {http://digitallibrary.un.org/record/668541},
      title = {Recommendation no. 20, Codes for Units of Measure Used in  International Trade : note /},
      publisher = {UN,},
      recid = {668541},
      pages = {12 p. :},
      address = {Geneva :. 2009-09-08},
      year = {2009},
      month = {Sep},
}