%0 Journal Article
%T Procedure of NDT Instruments Qualification Tests. Classification of Ultrasonic Testing Devices
%A Okunev, D..
%A Tulskiy, M..
%A Litvinov, I..
%K ultrasonic testing, pipes, welds, model of a defect, X-Ray tomography
%J NDT World
%D 2015
%N 18
%P 3
%I LLC SVEN