00573naa#a2200193#i#450# EN\\bibl\77739 20260220180013.5 1819-4036 20130825b2013####ek#y0engy0150####ca RUS RU MATHEMATICAL MODEL OF SEED SORTING PROCESS ON THE MULTI-STEP ROLLING SEPARATOR Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2013 13 с. Journal article local . 630.232.315 RUS Knyazev A V Vakhnina G N vestnik.kgau.ru