@article{Yarullin 2019results,
author={Yarullin , F.. and Ibyatov, R.. and Yakhin, S.M. and Gaynutdinov, R.H.},
title={RESULTS OF FIELD STUDIES OF SOIL-TILLAGE TOOLS WITH ELLIPSOVID DISKS},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2019},
pages={123-127},
volume={14},
issue={2},
}