@article{Krupnina 2016testing,
author={Krupnina , O.. and Demidov , A.. and Stepanov , A.. and Kosarina, E.I. and Turbin , E..},
title={Testing of Radiographic Films to Determine Their Applicability for NDT of Aviation Technology Products},
journal={NDT World},
publisher={LLC SVEN},
year={2016},
pages={61-65},
volume={19},
issue={2},
}