
- Author: American Welding Society. Structural Welding Committee., American Welding Society., American National Standards Institute
- Language: English
- Year: 2010

- Author: ROBERT L. O’BRIEN
- Language: English
- Year: 1997

- Author: AWS Committee on Methods of Inspection
- Language: English
- Year: 2000

- Author: American Welding Society
- Language: English
- Year: 1987

- Author: Robert L. O'Brien
- Language: English
- Year: 1997

- Author: Leonard P. Connor R. L. O'Brien American Welding Society
- Language: English
- Year: 1991

- Author: American Welding Society Charlotte Weisman
- Language: English
- Year: 1984