García, L., A. Cores, A. Formoso, A. Babich, and S. Yaroshevskii. 1998. “Ironmaking Technology With Fuels and Other Materials Injection in Blast Furnace Tuyeres. Part 2. Pulverized Coal Injection (PCI)”. Revista De Metalurgia 34 (3):281-196. https://doi.org/10.3989/revmetalm.1998.v34.i3.795.