%0 Journal Article %T FORECASTING VARIANTS OF THE CALCULATION PERIOD DURATION WHEN MODELING LOGGING MACHINE OPERATION %A Zaikin, A.N. %A Merkelov, V.M. %A Ryzhykova, E.G. %A Teremkova, I.I. %K cutting area works, modeling, machine set, operating day number %J Bulletin of KSAU %D 2013 %N %P 5 %I Krasnoyarsk State Agrarian University