Prokopenko, E. V., and A. V. Zhukov. “Spider (Aranei) Steppe Community in a Ravine With Fescue-Feather-Grass Petrophytic Vegetation”. Acta Biologica Sibirica, Vol. 4, no. 1, Mar. 2018, pp. 17-21, doi:10.14258/abs.v4i1.3922.