@article{Kazmina2014about,
author={Kazmina, E.. and Agafonov , V..},
title={About protected and some rare plant species of ravine oak forests of Voronezh region},
journal={Forestry Engineering Journal},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2014},
pages={10-21},
volume={4},
issue={1},
}