@article{Krupko2015some,
author={Krupko, A.. and Krupko, N..},
title={Some methods of optimization of costs of transportation and storage products of timber and mining company},
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={240-243},
volume={3},
issue={2},
}