Sidorchuk , N. V. ., M. V. . Maslov, and V. V. . Rozhnov. “Role of Badger Setts in Life of Other Carnivores”. Studia Ecologiae Et Bioethicae, vol. 13, no. 1, Mar. 2015, pp. 81-95, doi:10.21697/seb.2015.13.1.04.