00593naa#a2200169#i#450# EN\\bibl\819 20241004184252.5 2222-7962 20131212b2013####ek#y0engy0150####ca RUS RU Research premise of ensuring environmentally friendly recreational use of forests Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2013 7 с. Journal article local Serikov Mikhail Tihonovich zh-szf.ru