Kerchev, Ivan, Roman Bykov, and Yury Ilinsky. “Expansion of the Secondary Range of Polygraphus Proximus Blandford (Coleoptera; Curculionidae, Scolytinae): Invasion of Khamar-Daban Mountains (Republic of Buryatia)”. Acta Biologica Sibirica 90 (January 27, 2023): 1–11. Accessed May 8, 2024. http://journal.asu.ru/biol/article/view/12515.