@article{marchi_guedes e silva_silva_bressiani_bressiani_2009,  title={Influence of additive system (Al2O3-RE2O3 , RE = Y, La, Nd, Dy, Yb) on microstructure and mechanical properties of silicon nitride-based ceramics},  volume={12},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392009000200006},  DOI={10.1590/S1516-14392009000200006},  number={2},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Marchi, Juliana and Guedes e Silva, Cecilia Chaves and Silva, Bruno Batista and Bressiani, José Carlos and Bressiani, Ana Helena de Almeida},  year={2009},  month={Apr},  pages={145–150} }