Bautista, A., V. López, E. Otero, R. Lizarbe, and J. A. González. “Time and Temperature Reduction of the Sealing Process of Porous Aluminium Oxide Films With Organic Additives”. Revista De Metalurgia, vol. 34, no. Extra, May 1998, pp. 57-61, doi:10.3989/revmetalm.1998.v34.iExtra.708.