For citations:
Sludsky A.A., Boiko A.V., Lyapin M.N., Tarasov M.A. Population Approach to Determination of the Borders and Number of Natural Plague Foci. Povolzhskiy Journal of Ecology. 2019;(4):493-502. (In Russ.) https://doi.org/10.35885/1684-7318-2019-4-493-502