TY JOUR TI On the origin of oak forests in the central forest steppe KW forest-steppe KW oak forests KW selfseeding KW undergrowth KW successions KW species and coenotic diversity KW reforestation KW forest development JO Forestry Engineering Journal AU Kharchenko, N.N. AU Kharchenko, N.. PY 2013 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov