00841naa#a2200205#i#450# EN\\bibl\28012 20241005150520.6 2222-7962 20190423b2019####ek#y0engy0150####ca RU INFLUENCE OF SPRUCE FORESTS DENSITY ON THEIR SANITARY CONDITION Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2019 7 с. Journal article local Сельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63 Ivanchina Lyudmila Aleksandrovna Kozhevnikov Aleksey Petrovich Kryazhevskih Nadezhda Arkad'evna Zalesov Sergey Veniaminovich naukaru.ru