@article{Kuzelev2019the, author={Kuzelev, N.R. and Sahanov, A.S. and Chepaykin, I.A.}, title={The Attained Level and Ability of Scientific and Technological Development of Gamma-Radiography}, journal={NDT World}, publisher={LLC SVEN}, year={2019}, pages={54-58}, volume={21}, issue={4}, }