TY CONF TI STUDY OF FACTORS AFFECTING THE DENSITY OF SIBERIAN FIR WOOD KW density KW latewood KW annual ring KW Siberian fir KW Abies sibirica. JO MODERN FORESTRY COMPLEX OF THE COUNTRY: INNOVATIVE DEVELOPMENTS AND PROGRESSIVE TECHNOLOGIES AU Sedrisev, I.D. AU Kulikova, N.. AU Aksenov, P.A. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov