%0 Journal Article %T THE RESEARCH OF THE FRICTIONAL INTERACTION PARAMETERS IN PINE AND LARCH BARK FRICTION ON STEEL AND RUBBER %A Dolmatov, S.N. %A Palkin, E.V. %K friction coefficient, humidity, pressure %J Bulletin of KSAU %D 2014 %N %P 4 %I Krasnoyarsk State Agrarian University