2012 Standards Conference SC18 Committee on Quality Standards Westminster, CO June 14, 2012 API Monogram Program Status Report W. Don Whittaker Manager.
2013 Standards Conference SC18 Committee on Quality Standards Washington, DC June 27, 2013 API Monogram Program Status Report W. Don Whittaker Manager.
Cast Steel Valve A1-05
Dhv Cast Steel Valve a1-04
2013 Standards Conference SC18 Committee on Quality Standards Washington, DC June 27, 2013
2012 Standards Conference SC18 Committee on Quality Standards Westminster, CO June 14, 2012
The Brazilian Texas Magazine March 2012
