00604naa#a2200169#i#450# EN\\bibl\5603 20241220103304.5 2311-8873 20150415b2015####ek#y0engy0150####ca RUS RU Mathematical Substantiation of technological process of separation of forest seed HEAP Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 5 с. Journal article local Novikov Arthur Igorevich vntv.editorum.ru