Belokur, I.P. Non-Destructive Testing of Welded Joints / I.P. Belokur ; E.O. Paton Electric Welding Institute of AS of the Ukr.SSR. - Kiev : Naukova dumka, 1976. - 62 p. : fig., table. Subjects--Topical Terms: Non-Destructive Testing of Welded Joints