TY CONF TI CYCLICAL USE OF WOOD WASTE IN THE PRODUCTION OF ALTERNATIVE ENERGY SOURCES KW biofuels KW wood waste KW generation of alternative sources KW pellets JO Modern machines, equipment and IT solutions for industrial complex: theory and practice AU Opara, M.V. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov