%0 Journal Article %T Mathematical Substantiation of technological process of separation of forest seed HEAP %A Novikov, A.I. %K seed mass, disc separator, elimination of impurities, options %J Voronezh Scientific-Technical Bulletin %D 2015 %N 4 %P 5 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov