Wenk, S. NDE characteristics of pipe weld defects / principal investigators: S. Wenk, C. Allen, P. Watson [of] Southwest Research Institute. - Palo Alto, Calif. : Electric Power Research Institute, c1980. - vii, 101 p. : ill. Subjects--Topical Terms: Pipe--Welding.Welded joints--Defects.Non-destructive testing.