00547naa#a2200181#i#450# EN\\bibl\77738 20260220022612.5 1819-4036 20130825b2013####ek#y0engy0150####ca RUS RU THE POWER EFFICIENCY CALCULATION TECHNIQUE FOR MOBILE MACHINE-TRACTOR AGGREGATE USE Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2013 9 с. Journal article local . 631.3.004.67 RUS Zhuravlev S Yu sej.kgau.ru