Singhal, D. ., S. . Singh, V. Kaushal, A. . Birwal, and K. Patel. “Wide Band Stop Response Using Interdigital Capacitor/CSRR DGS in Elliptical Microstrip Low-Pass Filter”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), vol. 19, no. 4, Oct. 2020, pp. AoP 495-509, doi:10.1590/2179-10742020v19i4945.