IRION, H. S.; SOUZA, E. C. F. de; ANDRADE, A. V. C. de; ANTUNES, S. R. M.; ANTUNES, A. C. <b>Effect of Pr<sub>6</sub>O<sub>11</sub> doping in electrical and microstructural properties of SnO<sub>2</sub>-based varistors<b>. Acta Scientiarum. Technology, [S. l.], v. 36, n. 2, p. 237–244, 2014. DOI: 10.4025/actascitechnol.v36i2.17995. Disponível em: https://periodicos.uem.br/actascitechnol/index.php/ActaSciTechnol/article/view/17995. Acesso em: 7 set. 2025.