@article{243976,
      note = {Transmits study by B. Hollemans.},
      author = {Hollemans, B.},
      url = {http://digitallibrary.un.org/record/243976},
      title = {Emissions from light duty (LD) vehicles and heavy duty  (HD) vehicles running on CNG and LPG : note /},
      publisher = {UN,},
      recid = {243976},
      pages = {34 p. :},
      address = {Geneva :. 1992-09-09},
      year = {1992},
      month = {Sep},
}