00838naa#a2200193#i#450# EN\\bibl\72930 20251217173618.3 2222-7962 20231227b2023####ek#y0engy0150####ca RU Crack formation in natural and pressure-modified silver birch (Betula pendula Roth) wood: the effect of the internal friction index under the influence of external disturbances Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2023 16 с. Journal article local Лесное хозяйство. Лесоводство. 630 Russu Aleksandr Viktorovich Shamaev Vladimir Aleksandrovich Zimelis Andris anni.editorum.ru