TY JOUR TI MODELING OF THE UNEDGED BOARD TAPERNESS IN ORDER TO INCREASE THEIR PROCESSING EFFICIENCY KW saw logs KW unedged boards KW taperness KW taper coefficient KW sawn goods KW effectiveness JO Bulletin of KSAU AU Vetsheva, V.F. AU Gerasimova, M.M. PY 2012 IS 0 PB Krasnoyarsk State Agrarian University