METHOD FOR CONTROLLING CONVERTER SMELTING PROCESS - SOLOVEV VIKTOR I,SU; KOSHELEV ALEKSANDR E,SU; BULOJCHIK GERMAN D,SU; TURKENICH DORIAN I,SU; ZARVIN EVGENIJ YA,SU; VOLOVICH MIKHAIL I,SU; NOVOZHILOV GEORGIJ S,SU (1984)