TY CONF TI HYPOTHESES OF THE THEORY OF INTERNAL STRESSES IN WOOD KW internal stresses KW wood KW shrinkage KW anisotropy KW mechanical properties KW moisture KW temperature gradients KW wood drying KW deformations JO ENERGY-SAVING AND ENVIRONMENTALLY SAFE TECHNOLOGIES OF THE TIMBER INDUSTRY – 2025 AU Khvorykh, A.M. AU Dimitrov, M.E. AU Shamaev, V.A. AU Medvedev, I.N. AU Russu, A.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov