%0 Journal Article %T Improve control of resonance properties of the growing trees with core %A Kosolapova, K.. %A Yalpaeva, E.. %A Kolesnikova, A.A. %A Vazakhatdinov, R.. %K spruce, acoustic performance of wood, core, humidity, and air conditioning. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov