SINHA, J. K.; SUNDARAM, S. Study of microwave filters (Part II). Defence Science Journal, [S. l.], v. 13, n. 1, p. 51–65, 2014. DOI: 10.14429/dsj.13.7072. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7072. Acesso em: 15 jun. 2025.