@conference{64911, author = {Marcia Huber and Daniel Friend and Eric Lemmon}, title = {Thermophysical Property Computer Packages from NIST of Interest to the Natural Gas Industry}, year = {1999}, month = {1999-07-01}, publisher = {Institute of Gas and Technology Conference Proceedings}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=832049}, language = {en}, }