D. Zhang

High-power high-temperature superconducting microstrip filters for cellular base-station applications

G.-C. Liang, A.C. Anderson, R. Withers, 1995, IEEE Transactions on Applied Superconductivity.

Investigations on propagation and the band broadening effect of ridged rectangular waveguide integrated in a multilayer dielectric substrate

Wenquan Che, Y. Chow, W. Che, 2010 .