Pérez, P., J. L. González, and P. Adeva. “Effect of Chromium, Aluminium and Cerium Implantation on the Oxidation Behaviour of Ni3Al at Temperatures in the Range of 635-1,020°C”. Revista De Metalurgia, vol. 34, no. 1, Feb. 1998, pp. 18-28, doi:10.3989/revmetalm.1998.v34.i1.655.