@article{Leyfer 2016chemetall,
author={Leyfer , J.. and Krivalev , I.. and Sayfutdinov, S..},
title={Chemetall Products Applications at the Liquid Penetrant Testing Lines in Russia},
journal={NDT World},
publisher={LLC SVEN},
year={2016},
pages={15-17},
volume={19},
issue={2},
}