Levshin A.G.

LEVSHIN Aleksandr Grigoryevich — Doctor of Science (Eng.), Professor, Head of the Department of Operation of the Machine and Tractor Fleet and High Technologies in Crop Production. Russian State Agrarian University — Moscow Timiryazev Agricultural Academy (127550, Moscow, Russian Federation, Timiryazevskaya Str., Bldg. 58, e-mail: alev200151@rambler.ru).