TY  JOUR
TI  Procedure of NDT Instruments Qualification Tests. Classification of Ultrasonic Testing Devices
KW  ultrasonic testing
KW  pipes
KW  welds
KW  model of a defect
KW  X-Ray tomography
JO  NDT World
AU  Okunev, D..
AU  Tulskiy, M..
AU  Litvinov, I..
PY  2015
IS  18
PB  LLC SVEN