@article{Isakov2020quantitative, author={Isakov, I.Y.}, title={QUANTITATIVE ANALYSIS OF THE STATE AND PRESERVATION OF TEST CULTURES BIRCH THAT DIFFER BY AUTO- AND ALLOGAMY}, 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={2020}, pages={53-58}, volume={8}, issue={1}, }