Guzova, T., and M. Tikhodeyeva. “Transformation of Upland meadow’s Biogeocenosis During Processes of Overgrowth by the Gray Alder (<em>Alnus inсаnа</Em&gt; (L.) Moench)”. Biological Communications, no. 1, Mar. 2016, pp. 4–20, doi:10.21638/spbu03.2016.101.