TY JOUR TI Method activation end date in the past. direction:re KW simulation model KW survivability KW predicting survivability. JO Actual directions of scientific researches of the XXI century: theory and practice AU Nayzagaraeva, A.. AU Kasekeeva, A.. AU Alymov, N.. AU Mimenbaeva, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov