@article{articlee004a337,
title   = {Influence of silicon content on ion nitriding of ultrahigh strength steels},
author = {Casteletti, Luiz Carlos and Munõz Riofano, Rosamel Melita and Nascente, Pedro Augusto de Paula},
year = {2004},
doi = {10.1179/026708304225021954},
journal   = {Materials Science and Technology}
}