@conference{6646,
  author = {Aaron Johnson and William Johansen},
  title = {Comparison of Five Natural Gas Equations of State Used for Flow and Energy Measurement},
  year = {2009},
  month = {2009-08-14},
  publisher = {Annual International Symposium on Fluid Flow Measurement | 7th | | CEESI, Anchorage, AK},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903432},
  language = {en},
}