%0 Journal Article %T Dependencies to evaluate heat of combustion of bark regarding its absolute humidity %A Chibirev, O.. %A Vlasov, Y.. %A Bastrikov, D.V. %K bark of spruce, pine bark, birch bark, calorific value. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2016 %N 4 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov