Welding Handbook, 9th Edition, Volume 3, Welding Processes, Part 2
Handbook / Manual / Guide by American Welding Society, 01/01/2007
AWS QC15:2008
Specification for the Certification of Radiographic Interpreters
standard by American Welding Society, 01/01/2008
AWS WHB-1.9
Welding Science and Technology, Welding Handbook, 9th Ed., Vol. 1
Handbook / Manual / Guide by American Welding Society, 01/01/2001
