TY JOUR TI Justification of stone in construction materials bases and covers logging roads KW logging roads KW stone material KW rubble KW the contact forces between the particles KW grain structure KW cementation JO Forestry Engineering Journal AU Kruchinin, I.N. PY 2017 IS 6 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov