@misc{misc40ee230c,
title   = {Characterization of hardened layers in martensitic and duplex stainless steels modified using plasma nitriding},
author = {Silva, G. R. C. and Casteletti, Luiz Carlos and Tremiliosi Filho, Germano and Bento, Carlos Alberto da Silva},
year = {2003},
publisher = {SBMM},
booktitle   = {Congress of the Brazilain Society for Microscopy and Microanalysis}
}