Gas Facts 2008, A Statistical Record of the Gas Industry, 2007 Data
Report / Survey by American Gas Association, 03/01/2009

Book by American Gas Association, 01/01/2001

AGA Report No. 8, Part 1, Thermodynamic Properties of Natural Gas and Related Gases, DETAIL and GROSS Equations of State
Report / Survey by American Gas Association, 04/25/2017

Book by American Gas Association, 08/01/2005

Design Guidelines for Installation of Automatic Shut-off Valve (ASV) and Remote Control Valve (RCV) Systems In Natural Gas Transmission Pipelines
Conference Proceeding by American Gas Association, 10/01/2012

Gas Facts, A Statistical Record of the Gas Industry, 2008 Data
Report / Survey by American Gas Association, 02/28/2010

Residential Natural Gas Market Survey, 2004 Data
Report / Survey by American Gas Association, 01/01/2006

Guide for Gas Transmission, Distribution, and Gathering Piping Systems, 2022 Edition (ANSI Z380.1-2022), Includes Addendum 1 (2022)
standard by American Gas Association, 03/01/2022

Book by American Gas Association, 01/01/1991

Book by American Gas Association, 01/01/1981