TY JOUR TI THE ASPEN WOOD USE IN THE COMBINED PLYWOOD PRODUCTION TECHNOLOGY KW combined plywood KW aspen wood KW pine wood KW adhesion KW plywood physical and mechanical properties JO Bulletin of KSAU AU Evstigneeva, L.A. AU Denisov, S.V. PY 2014 IS PB Krasnoyarsk State Agrarian University