00616naa#a2200205#i#450# EN\\bibl\4567 20240516145747.4 2073-0462 20141214b2014####ek#y0engy0150####ca RUS RU The results of experimental research of rotational conical working unit in the soil canal Journal article Kazan Kazan state agrarian University 2014 7 с. Journal article local Yarullin Fanis Ibyatov Ravil Valiev Ayrat Rasimovich Shiriyazdanov Rustem naukaru.ru