%0 Journal Article %T Structure of Undergrowth of Spruce in Different Phenological Forms on Height Depending on the Composition and Structure of Forest Stand %A Matveeva, A.S. %A Beliaeva, N.V. %A Danilov, D.A. %K natural regeneration of spruce; phenological forms of spruce undergrowth; structure of spruce undergrowth in different phenological forms in height. %J Forestry Engineering Journal %D 2017 %N 7 %P 14 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov