00693naa#a2200157#i#450# EN\\bibl\5641 20241003002933.4 20211125b2021####ek#y0engy0150####ca RU UNIFICATION OF THE CHAMBER STAGE OF FORESTRY WORKS EXAMPLEOFTHE «SIGMA» PROJECT Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2021 2 с. Conference article/thesis local Сельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63 Aleshin I. V. bibl.vgltu.ru