@article{Tretyakov2014studies,
author={Tretyakov, V.. and Korenev, I.. and Bagaev, S..},
title={Studies of the effect of biologically active substances on the growth of European Spruce in Kostroma Region, Russia},
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={2014},
pages={11-14},
volume={2},
issue={5},
}