http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Natural Gas Energy Measurement Symposium 1985 : Institute of Gas Technology)
Natural Gas Energy Measurement Symposium 1986 : Institute of Gas Technology)
"This volume contains papers presented at the first and second IGT symposia on natural gas measurement. The first program was held on August 26-28, 1985 in Chicago ... the second program held April 30 - May 2, 1986 in Chicago." -- Pref.