@misc{misc730eae96,
title   = {Surface structure of sintered tool-steel modified by plasma nitriding},
author = {Casteletti, Luiz Carlos and Munõz Riofano, Rosamel Melita and Tremiliosi Filho, Germano and Bento, Carlos Alberto da Silva},
year = {2000},
booktitle   = {Brazilian Conference on Microscopy of Materials}
}