Gaballah, I., Djona, M., García-Carcedo, F., Ferreira, S. and Siguín, D. (1995) “Recovery of the metals contained in spent catalysts using a thermal treatment followed by a selective chlorination”, Revista de Metalurgia, 31(4), pp. 215–221. doi: 10.3989/revmetalm.1995.v31.i4.952.