00611naa#a2200181#i#450# EN\\bibl\841 20250115072649.3 2222-7962 20131212b2013####ek#y0engy0150####ca RUS RU On the origin of oak forests in the central forest steppe Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2013 6 с. Journal article local Kharchenko Nikolay Nikolaevich Kharchenko Nikolay naukaru.ru