1. Natural Gas Flow Calibration Service;Johnson,2008
2. Gas Flowmeter Calibrations with the 34 L and 677 L PVTt Standards;Wright,2010
3. A.N. Johnson, C. Li, J.D. Wright, G.M. Kline, and C.J. Crowley, “Improved Nozzle Manifold for Gas Flow Calibrations,” 8th International Symposium on Fluid Flow Measurement, Colorado Springs, CO, U.S.; 6/18/2012 to 6/22/2012. www.nist.gov/publications/improved-nozzle-manifold-gas-flow-calibrations.
4. J.G. Pope, K.A. Gillis, M.R. Moldover, J.B. Mehl, and E. Harman, “Characterizing Gas-Collection Volumes with Acoustic and Microwave Resonances,” 10th International Symposium on Fluid Flow Measurement, Queretaro, Mexico; 3/21/2018 to 3/23/2018. www.nist.gov/publications/characterizing-gas-collection-volumes-acoustic-and-microwave-resonances.
5. “REFPROP: Reference Fluid Thermodynamic and Transport Properties,” NIST Standard Reference Database 23, Version 9.1;Lemmon,2010