Chris Wayne Hicks Hicks, C. W., Yakovlev, A. B., & Steer, M. B. (2003). Aperture-coupled stripline-to-waveguide transitions for spatial power combining. Applied Computational Electromagnetics Society Journal, (2003 Nov), 33–40. Yakovlev, A. B., Khalil, A. I., Hicks, C. W., Mortazawi, A., & Steer, M. B. (2000). The generalized scattering matrix of closely spaced strip and slot layers in waveguide. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 48(1), 126–137. https://doi.org/10.1109/22.817481