Безроднова, О.В., Лоза, І.М. and Назаренко, Н.М. 2013. Herbage cover heterogeneity as indicator of ecology-phytocoenotical and biotopical diversity in oak forests. The Journal of V.N.Karazin Kharkiv National University. Series «Biology». 18, 1079 (May 2013), 38-45.