TY JOUR TI Interconnection among wood porosity, strength and rate of growth of various tree group KW wood KW number of growth rings KW porosity KW density KW strength JO Actual directions of scientific researches of the XXI century: theory and practice AU Kosichenko, N.E. AU Varivodina, I.. AU Nedelina, N.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov