@article{Khafizov2015method,
author={Khafizov, R..},
title={METHOD OF CROP ENERGY CALCULATION, LOST BECAUSE OF THE NEGATIVE IMPACT OF TRACTOR’S PROPELLER ON THE SOIL},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2015},
pages={81-85},
volume={10},
issue={3},
}