@article{Frolov2016defectoscopy,
author={Frolov, I.S. and Bacherikov, I..},
title={Defectoscopy roundwod with x-ray equipment},
journal={Forestry Engineering Journal},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2016},
pages={141-147},
volume={6},
issue={3},
}