Gas Measurement Manuals – Part 1: General (Revised)
Handbook / Manual / Guide by American Gas Association,
Gas Measurement Manuals – Part 3: Orifice Meters
Handbook / Manual / Guide by American Gas Association,
Book by American Gas Association, 01/01/2002
Gas Facts, A Statistical Record of the Gas Industry
Report / Survey by American Gas Association, 02/01/2017
Guide for Gas Transmission and Distribution Piping Systems, 2012 Edition (ANSI Z380.1-2012), Includes Addendum 1 (2012), 2 (2013), 3 (2013), 4 (2013), 5 (2014), 6 (2014), and 7 (2014)
standard by American Gas Association, 2012
Book by American Gas Association,