@article{sousa_moura_sousa_medeiros neto_costa_alves junior_2014,  title={Nitriding of AISI 1020 steel: comparison between conventional nitriding and nitriding with cathodic cage},  volume={17},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392014005000027},  DOI={10.1590/S1516-14392014005000027},  number={3},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Sousa, Rômulo Ribeiro Magalhães de and Moura, Yuri José Luz and Sousa, Pedro Américo Orsano de and Medeiros Neto, José Quinzinho and Costa, Thércio Henrique de Carvalho and Alves Junior, Clodomiro},  year={2014},  month={May},  pages={708–713} }