Cintas, J., F. G. Cuevas, J. M. Montes, J. A. Rodríguez, P. Urban, and J. M. Gallardo. “Production and Processing of Ultra-Fine Grained, Nanostructured and Amorphous Alloys by Mechanical Alloying”. Revista De Metalurgia, vol. 43, no. 3, June 2007, pp. 196-08, doi:10.3989/revmetalm.2007.v43.i3.65.