TY JOUR TI Investigation of interphase interaction of birch wood with impregnating composition KW : used motor oil KW birch wood KW Betula pendula ROTH KW interfacial interaction KW contact angle KW viscosity JO Forestry Engineering Journal AU Zhuzhukin, K.V. AU Belchinskaya, L.I. AU Tomina, E.V. AU Zyablov, A.N. AU Yen, W.. AU Chuykov, A.S. PY 2023 IS 13 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov