For citations:
Tokhtar' V.K., Petin A.N. Evolution and Differentiation of Phytobiota at Anthropogenous Impact in Steppe and Forest-steppe Zones. Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya. 2012;(6):71-79. (In Russ.) https://doi.org/10.15356/0373-2444-2012-6-71-79