1. Gesell, G.A., Ciric I.R.: A novel modal analysis formulation for multiple waveguide discontinuities. In: 1992 Symposium on Antenna Technology and Applied Electromagnetics, pp. 277–282 (1992)
2. Rozzi, T.E., MeckJenbrauker, W.F.G.: Wide-band network modeling of interacting inductive irises and steps. IEEE Trans. Microw. Theor. Tech. MTT-23(2), 235–245 (1975)
3. Goyal, K.G.: Analysis of the field structure in comers and tees in rectangular waveguides. In: M. Sc. Thesis, Department of Electrical Engineering, University of Toronto (1966)
4. Kao, K.C.: Approximate solution of the H-plane right-angled comer in overmoded rectangular waveguide operating in the H 10 mode. Proc. lEE 3(4), 624–628 (1964)
5. Sinha, S.: Analysis of multiple-strip discontinuity in a rectangular waveguide. IEEE Trans. Microw. Theor. Tech. MTT-34(6), 696–700 (1986)