@article{Shashkarov2016density,
author={Shashkarov, L.. and Ovchinnikov, A..},
title={DENSITY COMPOSITION OF TOPSOIL, DEPENDING ON VARIETY AND METHODS OF BASIC SOIL CULTIVATION},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2016},
pages={39-42},
volume={11},
issue={1},
}