@conference{39286,
  author = {J. Hill and David Didion},
  title = {Comparative Performance of Two Postal Service Vehicles Operated on Gasoline, Compressed Natural Gas and Propane},
  year = {1974},
  month = {1974-11-17},
  publisher = {American Society of Mechanical Engineers (ASME), New York, NY},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910793},
  language = {en},
}