@article{zanella_sousa_motta_2022,  title={Metallurgical Processing for Impregnated Thermionic Cathodes Manufacturing},  volume={25},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2021-0485},  DOI={10.1590/1980-5373-MR-2021-0485},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Zanella, Glauco P. and Sousa, Gabriel G. J. de and Motta, Cláudio C.},  year={2022},  pages={e20210485} }