%0 Journal Article %T Using FTIR spectroscopy to detail wood chemistry of Ussuri bark beetle (Polygraphus proximus Blandford) - invaded Siberian fir (Abies sibirica Ledeb.) trees %A Artemihina, E.A. %A Zhila, S.V. %A Danilyuk, Y.V. %A Eliseev, S.G. %A Bayandin, M.. %K Siberian fir, FTIR spectroscopy, Ussuri polygraph, climate trend %J Forestry Engineering Journal %D 2026 %N 16 %P 14 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov