%0 Journal Article %T Results of microscopic research of milling surface of fiber boards of average density (MDF) %A Efimova, T.V. %K fiber board of average density, roughness, milling, lignin, microscope %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov