Sonoda, T., Watazu, A., Zhu, J., Shi, W., Yamada, T., Kato, K. and Asahina, T. (2004) “Surface modification of Ti-6AI-4V alloy with Ti-C/Ti-N/Ti multilayered film by magnetron DC sputtering”, Revista de Metalurgia, 40(6), pp. 413–415. doi: 10.3989/revmetalm.2004.v40.i6.298.