Non-destructive testing -- Image quality of radiographs -- Part 5: Determination of the image unsharpness value using duplex wire-type image quality indicators— 8 стр.
Non-destructive testing -- Image quality of radiographs -- Part 2: Determination of the image quality value using step/hole-type image quality indicators— 12 стр.
Non-destructive testing -- Image quality of radiographs -- Part 1: Determination of the image quality value using wire-type image quality indicators— 9 стр.