NDT aspects of the significance of weld defects : the proceedings of a SANDT seminar, 16 December 1971 / chairman ; J. G. Young. - Abington : School of Applied Non-Destructive Testing, 1972. - 31 p. : ill. ; 30 cm. - SANDT special seminar ; NDT 17 . Includes bibliographical references. Subjects--Topical Terms: Welded joints--Defects--Congresses.Welded joints--Testing--Congresses.Nondestructive testing--Congresses. Dewey Class. No.: 671.520422