00568naa#a2200181#i#450# EN\\bibl\6465 20241107040352.4 2073-0462 20150714b2015####ek#y0engy0150####ca RUS RU JUSTIFICATION OF HOPPER’S BOTTOM PROFILE WITH SIDE OUTLET, ENSURING STABLE AND COMPLETE OUTFLOW OF THE GRAIN Journal article Kazan Kazan state agrarian University 2015 4 с. Journal article local Timolyanov Konstantin Savenkov Dmitriy zh-szf.ru