00581naa#a2200181#i#450# EN\\bibl\9808 20250111192941.6 2308-8877 20151203b2015####ek#y0engy0150####ca RUS RU Determine the density of oak wood with the inner sapwood Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 2 с. Journal article local Krasnova V. anni.editorum.ru