@incollection{Vasconcelos12, author = {G. Vasconcelos and D. C. Chagas and A. N. Dias}, title = {Covering with Carbon Black and Thermal Treatment by CO2 Laser Surfaces of AISI 4340 Steel}, booktitle = {CO2 Laser}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Dan C. Dumitras}, chapter = {10}, doi = {10.5772/37640}, url = {https://doi.org/10.5772/37640} }