%0 Journal Article %T Method comparative tests for certification of small quantities of wood blanks %A Kolesnikova, A.A. %A Fedorova, A.. %K ultrasonic tests, strength tests, acoustic performance, strength, core, standard samples %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