López-Delgado, A., Peña, C., López, V., Lobo-Recio, M. A. and López, F. A. (2005) “The recovery of packaging steel from municipal solid waste in Spain: the scrap quality”, Revista de Metalurgia, 41(Extra), pp. 335–339. doi: 10.3989/revmetalm.2005.v41.iExtra.1051.