@article{501072,
      note = {Compiles replies to the questionnaire received from 13  countries.},
      url = {http://digitallibrary.un.org/record/501072},
      title = {Existing standards and regulations on permissible  concentrations of harmful components in gaseous fuels and  gaseous fuels combustion products : consolidated report /},
      publisher = {UN,},
      recid = {501072},
      pages = {[2], 20 p. :},
      address = {New York ;. 2003-07-14},
      year = {2003},
      month = {Jul},
}