Folded substrate integrated waveguide cross-coupled filters with negative coupling structure for wireless systems
Glubokov, O., Nagandiram, S., Tarczynski, A. and Budimir, D. 2011. Folded substrate integrated waveguide cross-coupled filters with negative coupling structure for wireless systems. Microwave and Optical Technology Letters. 53 (11), pp. 2521-2526. https://doi.org/10.1002/mop.2634