%0 Journal Article %T VARIABILITY OF THE HARDNESS OF PINE WOOD DAMAGED BY STRONG GRASSROOTS AND RAMPANT RIDING FIRE %A Snegireva, S.N. %A Platonov, A.D. %A Kiseleva, A.V. %A Kantieva, E.V. %K pine wood, static end hardness, fire, tarring of wood, trunk, core, sapwood %J Forestry Engineering Journal %D 2022 %N 11 %P 8 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov