Cores, A., A. Formoso, A. Moro, and P. Marañón. “Exploitation of a Siderurgical Waste Oil in the Sintering Process”. Revista De Metalurgia, vol. 32, no. 1, Feb. 1996, pp. 25-32, doi:10.3989/revmetalm.1996.v32.i1.928.