Davydenko, K. V., and D. O. Baturkin. 2020. “Pine Engraver Beetle Ips Acuminatus As a Potential Vector of Sphaeropsis Sapinea”. Forestry and Forest Melioration, no. 136 (June):149-56. https://doi.org/10.33220/1026-3365.136.2020.149.