Menad, N., Allain, E., Gaballah, I., Pardo, P., & Ruiz, J. C. (1996). Heat treatment recovery of non ferrous metals (Cu, Pb, Zn.) contained in some metallurgical residues. Revista De Metalurgia, 32(3), 160–166. https://doi.org/10.3989/revmetalm.1996.v32.i3.911