Khovavko, O., B. Bondarenko, and O. Sviatenko. “OBTAINING OF CARBON-FREE IRON POWDERS BY REDUCTION METHOD IN CONVEYOR FURNACES WITH RECIRCULATION AND REGENERATION OF "GREEN" HYDROGEN”. Energy Technologies & Resource Saving, no. 4, Dec. 2020, pp. 39-49, doi:10.33070/etars.4.2020.04.