1. Afifi, A. and Azen, S., Statistical Analysis: A Computer Oriented Approach, New York: Academic, 1972.
2. Atlas kart Prioksko-Terrasnogo zapovednika (Atlas of Maps of Prioksko-Terrasnyi Nature Reserve), Bobrovskii, M.V. and Brynskikh, M.N., Eds., Pushchino: Biopress, 2005.
3. Barnes, D.M. and Mallik, A.U., Effect of Beaver, Castor canadensis, Herbivory on Streamside Vegetation in a Northern Ontario Watershed, Can. Field-Nat., 2001, vol. 115, no. 1, pp. 9–21.
4. Bobrov, V.V., Varshavskii, A.A., and Khlyap, L.A., Chuzherodnye vidy mlekopitayushchikh v ekosistemakh Rossii (Alien Species of Mammalians in Ecosystems of Russia), Moscow: KMK, 2008.
5. Borisov, B.P., The Beaver, in Sostoyanie okhotnich’ikh resursov v Rossiiskoi Federatsii v 2008–2010 gg. Informatsionno-analiticheskie materially (Assessment of Hunting Resurces in Russian Federation in 2008–2010); in Okhotnich’i zhivotnye Rossii (biologiya, okhrana, resursovedenie, ratsional’noe ispol’zovanie) (Hunting Animals of Russia (Biology, Protection, Resources, and Rational Use)), Moscow: Fizicheskaya Kul’tura, 2011, no. 9, pp. 86–90.