TY JOUR TI Calculation of collapsible coverings of forest highways from the polimerpeschany composite material KW calculation KW collapsible covering KW plate JO Actual directions of scientific researches of the XXI century: theory and practice AU Storodubtseva, T.N. AU Aksomitnyy, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov