Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Efficient Design of Contiguous-Band Elliptic-Response Manifold Output Multiplexers with Single-Terminated Filters",  Electromagnetics, vol. 30, no. 8, pp. 644-659, November, 2010.

Ruiz-Cruz, J. A., Y. Zhang, J. M. Rebollar, K. A. Zaki, J. R. Montejo-Garai, and A. J. Piloto,  "TEM Mode-Matching Analysis of Multi-coupled Strip-line Filters",  2007 IEEE MTT-S International Microwave Symposium Digest, pp. 541-544, June, 2007.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, J. M. Rebollar, C. E. Montesano, M. J. Mart?n, and M. Naranjo-Masi,  "Computer Aided Design of Wideband Orthomode Transducers based on the Boifot Junction",  2006 IEEE MTT-S International Microwave Symposium Digest, pp. 1173-1176, June, 2006.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, J. M. Rebollar, A.. Onoro-Navarro, I. Hidalgo-Carpintero, and M. J. Padilla-Cruz,  "Design of Self-Equalised Elliptic Filter Channels in Ka-Band Implemented in Rectangular H-Plane Waveguide",  Proc. 36th European Microwave Conference, pp. 1087-1090, Sept., 2006.

Ruiz-Cruz, J. A., M. A. El Sabbagh, K. A. Zaki, J. M. Rebollar, and Y. Zhang,  "Canonical ridge waveguide filters in LTCC or metallic resonators",  IEEE Transactions on Microwave Theory and Techniques, vol. 53, no. 1, pp. 174-182, Jan., 2005.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Full-Wave Design of H-Plane Contiguous Manifold Output Multiplexers Using the Fictitious Reactive Load Concept",  IEEE Transactions on Microwave Theory and Techniques, vol. 53, no. 8, pp. 2628-2632, Aug., 2005.

Ruiz-Cruz, J. A., K. A. Zaki, J. R. Montejo-Garai, and J. M. Rebollar,  "Rectangular waveguide elliptic filters with capacitive and inductive irises and integrated coaxial excitation",  2005 IEEE MTT-S International Microwave Symposium Digest, pp. 269-272, June, 2005.

Ruiz-Cruz, J. A., Y. Zhang, K. A. Zaki, A. J. Piloto, and J. M. Rebollar,  "Ridge waveguide branch-line directional couplers for wideband applications and LTCC technology",  2005 IEEE MTT-S International Microwave Symposium Digest, pp. 1219-1222, June, 2005.

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.

Ruiz-Cruz, J. A., K. A. Zaki, and J. M. Rebollar,  "Mode-matching analysis of a coaxial-to-stripline discontinuity applied to the modeling of a coaxial probe",  Proc. 2004 IEEE Antennas and Propagation Society International Symposium, vol. 2, pp. 2139-2142, June, 2004.

Ruiz-Cruz, J. A., and J. M. Rebollar,  "BCMM analysis of short-slot waveguide couplers with an FFT algorithm",  Proc. 2003 IEEE Antennas and Propagation Society International Symposium, vol. 2, pp. 1193-1196, June, 2003.

Ruiz-Cruz, J. A., J. Esteban, and J. M. Rebollar,  "Efficient boundary contour mode-matching method of H- and E-plane junctions by fast Fourier transform algorithm",  IEE Proceedings Microwaves, Antennas and Propagation, vol. 150, no. 5, pp. 332-338, Oct., 2003.