@article{Khakhina2015dependence,
author={Khakhina, A.. and Ustinov, V..},
title={Dependence of contact area and deformation modulus  of forest soil},
journal={Actual directions of scientific researches of the XXI century: theory and practice},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2015},
pages={419-422},
volume={3},
issue={4},
}