YEAP, K. H.; ONG, S. S.; NISAR, H.; LAI, K. C.; NG, C. A. Attenuation in Superconducting Circular Waveguides. Advanced Electromagnetics, [S. l.], v. 5, n. 2, p. 34–38, 2016. DOI: 10.7716/aem.v5i2.388. Disponível em: https://www.aemjournal.org/index.php/AEM/article/view/388. Acesso em: 27 nov. 2021.