00615naa#a2200205#i#450# EN\\bibl\6620 20260307213611.6 1992-5980 20150930b2015####ek#y0engy0150####ca RUS RU Impact of using metallized iron ore pellets to increase the efficiency of electric arc furnace Journal article rostov on don Don state technical University 2015 5 с. Journal article local Merker Eduard Kem Alexander Stepanov Viktor Krakht Lyudmila naukaru.ru