MITTAL, G.; PATHAK, N. P. Design, Analysis and Characterisation of Spoof Surface Plasmon Polaritons based Wideband Bandpass Filter at Microwave Frequency. Defence Science Journal, [S. l.], v. 68, n. 3, p. 300–306, 2018. DOI: 10.14429/dsj.68.11981. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/11981. Acesso em: 15 jun. 2025.