@article{612197,
      url = {http://digitallibrary.un.org/record/612197},
      title = {Regulation no. 83, Emissions of M1 and N1 categories of  vehicles : proposal for draft supplement 7 to the 05 series  of amendments to Regulation no. 83 / },
      publisher = {UN,},
      abstract = {Presented as a consolidated replacement for the current  Annex 4 of Regulation no. 83, aims at inserting into the  Regulation a modified particulate mass measurement  procedure and a particle number measurement method as an  unreferenced annex for future use.},
      recid = {612197},
      pages = {80 p. :},
      address = {Geneva :. 2007-11-05},
      year = {2007},
      month = {Nov},
}