Specification for the Certification of Radiographic Interpreters
standard by American Welding Society, 01/01/2008
Test Methods for Evaluating Welded Joints
Book by American Welding Society, 01/01/2001
AWS WHB-1.9
Welding Science and Technology, Welding Handbook, 9th Ed., Vol. 1
Handbook / Manual / Guide by American Welding Society, 01/01/2001
