TY JOUR TI PROBABILISTIC AND STATISTICAL EVALUATION OF LOGGING MODES KW timber hauling KW stochastic nature of cycle parameters of hauling KW energy and cycle time of skidding expenses JO Bulletin of KSAU AU Belenky, Y.I. AU Valyazhonkov, V.D. AU Demidov, S.A. AU Pham, N.. PY 2017 IS PB Krasnoyarsk State Agrarian University