Montejo-Garai, J. R., C. A. Leal-Sevillano, J. A. Ruiz-Cruz, and J. M. Rebollar,  "Symmetrical Response Filter Design Applying the Bartlettâ??s Theorem and Using Ribletâ??s Couplers",  Proc. International Conference on Electromagnetics in Advanced Applications (ICEAA), pp. 1-4, Sep., 2012.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "CAD for Dual-Band Polarizers in Corrugated Rectangular Waveguide",  Proc. 41st European Microwave Conference, pp. 822-825, Oct., 2011.

Montejo-Garai, J. R., C. A. Leal-Sevillano, J. A. Ruiz-Cruz, J. M. Rebollar, and T. Estrada,  "Multipactor prediction in waveguide band-stop filters with wideband spurious-free response",  Proc. International workshop on Multipactor, Corona and Passive Intermodulation (MULCOPIM), pp. 1-6, Sep., 2011.

Fahmi, M. M., J. A. Ruiz-Cruz, R. R. Mansour, and K. A. Zaki,  "Compact Ridge Waveguide Filters With Arbitrarily Placed Transmission Zeros Using Nonresonating Nodes",  IEEE Transactions on Microwave Theory and Techniques, vol. 57, no. 12, pp. 3354-3361, Dec., 2009.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Full-wave modeling and optimization of Boifot junction ortho-mode transducers",  International Journal of RF and Microwave Computer-Aided Engineering, vol. 18, no. 4, pp. 303-313, July, 2008.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, J. M. Rebollar, C. E. Montesano, and M. J. Mart?n,  "Very compact ortho-mode transducers with double septum configuration",  Microwave and Optical Technology Letters, vol. 48, no. 4, pp. 765-767, Apr., 2006.

Ruiz-Cruz, J. A., M. A. El Sabbagh, K. A. Zaki, and J. M. Rebollar,  "Full-wave design of canonical ridge waveguide filters",  2004 IEEE MTT-S International Microwave Symposium Digest, vol. 2, pp. 603-606, June, 2004.