(1987). Recommended practices for root pass welding of pipe without backing (Superseding AWS D10.11-80.). American Welding Society.
Chicago-Zitierstil (17. Ausg.)Recommended Practices for Root Pass Welding of Pipe Without Backing. Superseding AWS D10.11-80. Miami, Fla: American Welding Society, 1987.
MLA-Zitierstil (9. Ausg.)Recommended Practices for Root Pass Welding of Pipe Without Backing. Superseding AWS D10.11-80. American Welding Society, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.