Bautista, A., Morcillo, M., González, J.A., Simancas, J. and Otero, E. 1998. Behaviour of unprotected and anodized aluminium in atmospheres with very different polution degrees. Revista de Metalurgia. 34, Extra (May 1998), 32–36. DOI:https://doi.org/10.3989/revmetalm.1998.v34.iExtra.703.