Leal-Sevillano, C. A., T. YingaTao, M. J. Lancaster, J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "A Micromachined Dual-Band Orthomode Transducer",  IEEE Transactions on Microwave Theory and Techniques, vol. 62, no. 1, pp. 55-63, January, 2014.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Novel Dual-Band Single Circular Polarization Antenna Feeding Network for Satellite Communications",  Proc. 2014 European Conference on Antennas and Propagation (EuCap), pp. 1-5, Apr., 2014.

Leal-Sevillano, C. A., K. B. Cooper, J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "A 225 GHz Circular Polarization Waveguide Duplexer Based on a Septum Orthomode Transducer Polarizer",  IEEE Transactions on Terahertz Science and Technology, vol. 3, no. 5, pp. 574-583, Sep., 2013.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Compact Broadband Couplers Based on the Waveguide Magic-T Junction",  Proc. 43rd European Microwave Conference, 2013.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, C. A. Leal-Sevillano, and J. M. Rebollar,  "Design of Dual-Polarization Diplexers Based on Enhanced Turnstile Junctions",  2013 CST European User Group Meetings, May, 2013.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, C. A. Leal-Sevillano, and J. M. Rebollar,  "Design of Dual-Polarization Waveguide Devices with Frequency Discrimination",  2013 IEEE MTT-S International Microwave Symposium Digest, pp. 1-4, June, 2013.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Dual-Band Bi-Phase Waveguide Polarizer for a Novel Feeder Network without Orthomode Transducer",  Proc. 43rd European Microwave Conference, 2013.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, J. A. Ruiz-Cruz, and J. M. Rebollar,  "Equivalent circuit of multi-aperture waveguide irises and its application in the design of compact filters",  Proc. 2013 USNC/URSI National Radio Science Meeting, pp. 11, July, 2013.

Mecia-Oliva, B., J. Grajal-de-la-Fuente, A. Badolato, A. Garcia-Pino, J. L. Besada-Sanmartin, C. A. Leal-Sevillano, J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Experimental radar imager with sub-cm range resolution at 300 GHz",  Proc. 2013 Simposium Nacional URSI (in Spanish), pp. 1-7, Sept., 2013.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, C. A. Leal-Sevillano, and J. M. Rebollar,  "Modeling of Dual-Polarization Diplexers Based on Enhanced Multiport Turnstile Junctions",  IET Microwaves, Antennas and Propagation, vol. 7, no. 7, pp. 485-492, May, 2013.

Leal-Sevillano, C. A., T. J. Reck, C. Jung-Kubiak, G.. Chattopadhyay, J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Silicon Micromachined Canonical E-Plane and H-Plane Bandpass Filters at the Terahertz Band",  IEEE Microwave and Wireless Components Letters, vol. 23, no. 6, pp. 288-290, June, 2013.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Design of waveguide filters at W-band by means of machining techniques",  Proc. 2012 USNC/URSI National Radio Science Meeting, pp. 1, July, 2012.

Leal-Sevillano, C. A., J. R. Montejo-Garai, K. Maolong, M.. J. Lancaster, J. A. Ruiz-Cruz, and J. M. Rebollar,  "Diseño de un Filtro de Respuesta Elíptica en Banda W Fabricado Mediante la Tecnología de Foto Resina SU-8",  Proc. 2012 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2012.

Leal-Sevillano, C. A., J. R. Montejo-Garai, J. A. Ruiz-Cruz, and J. M. Rebollar,  "Low-Loss Elliptical Response Filter at 100 GHz",  Microwave and Wireless Components Letters, IEEE, vol. 22, no. 9, pp. 459 -461, September, 2012.

Montejo-Garai, J. R., C. A. Leal-Sevillano, J. A. Ruiz-Cruz, and J. M. Rebollar,  "Multipaction Breakdown Prediction of Passive Microwave Devices with CST Particle-Studio",  2012 CST European User Group Meetings, May, 2012.

Leal-Sevillano, C. A., J. R. Montejo-Garai, K. Maolong, M.. J. Lancaster, J. A. Ruiz-Cruz, and J. M. Rebollar,  "A Pseudo-Elliptical Response Filter at W-Band Fabricated with Thick SU-8 Photo-Resist Technology",  IEEE Microwave and Wireless Components Letters, vol. 22, no. 3, pp. 105-107, March, 2012.

Leal-Sevillano, C. A., J. R. Montejo-Garai, J. A. Ruiz-Cruz, and J. M. Rebollar,  "Recent Results on Waveguide Filters at W-Band",  Proc. 2012 ESA Microwave Technology and Techniques Workshop, pp. 1-6, Nov., 2012.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Rigorous analysis of the parallel plate waveguide: From the transverse electromagnetic mode to the surface plasmon polaritons",  Radio Science, vol. 47, no. RS0NO2, pp. 1-8, February, 2012.

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.

Montejo-Garai, J. R., C. A. Leal-Sevillano, J. A. Ruiz-Cruz, J. M. Rebollar, and T. Estrada,  "Synthesis and design of waveguide band-stop filters without out-of-band spurious responses for plasma diagnosis",  Fusion Engineering and Design, vol. 89, no. 9, pp. 1662-1666, September, 2012.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Upper Frequency Limit of the Power Loss Method for the Estimation of Ohmic Losses in Hollow Metallic Waveguides",  2012 IEEE MTT-S International Microwave Symposium Digest, pp. 1-4, June, 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, L. Rogla, and S. Sobrino,  "Design of Contiguous-Band Elliptic-Response Manifold Output Multiplexers by Efficient Cancellation of Reactive Impedance Parts",  Proc. VIII Encuentro Ibérico de Electromagnetismo Computacional (in Spanish), pp. 1, Nov., 2011.

Montejo-Garai, J. R., C. A. Leal-Sevillano, J. A. Ruiz-Cruz, J. M. Rebollar, L. Rogla, and S. Sobrino,  "Diseño de Multiplexores Manifold de Salida y Banda Contigua con Respuesta Elíptica Mediante la Cancelación Eficiente de la Parte Reactiva de la Impedancia",  Proc. 2011 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2011.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Diseño y Optimizaciónn de Polarizadores Doble-Banda en Guía Rectangular Corrugada",  Proc. 2011 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2011.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Field Propagation in Circular Hollow Waveguides with Non-Ideal Metallic Conductors from Microwaves to Terahertz Frequencies",  IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 12, pp. 3013-3022, Dec, 2011.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, J. M. Rebollar, and T.. Estrada,  "In-line Pure E-Plane Waveguide Band-Stop Filter with Wide Spurious-Free Response",  IEEE Microwave and Wireless Components Letters, vol. 21, no. 4, pp. 209-211, April, 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.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Optimal configurations for integrated antenna feeders with linear dual polarization and multiple frequency bands",  IET Microwaves, Antennas and Propagation, vol. 5, no. 8, pp. 1016-1022, June, 2011.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Rigorous Analysis of the Parallel-Plate Waveguide by the Hybrid Mode Formulation:From the TEM mode to the Surface Plasmon Polariton",  Proc. 2011 URSIGAAS, pp. 1-4, August, 2011.

Ofli, E., P. Crespo-Valero, J. A. Ruiz-Cruz, C. A. Leal-Sevillano, J. R. Montejo-Garai, and J. M. Rebollar,  "SEMCAD X Microwave: Enhanced Simulation of Waveguide Structures",  Microwave Engineering Europe, vol. September, pp. 12-15, 2011.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Short-slot E- and H-plane waveguide couplers with an arbitrary power division ratio",  International Journal of Electronics, vol. 98, no. 1, pp. 11-24, Jan., 2011.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Waveguide Devices with Integrated Polarization Twist for Broadband Applications",  Proc. 2011 USNC/URSI National Radio Science Meeting, pp. 1, July, 2011.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  Computer Aided Design of Waveguide Devices by Mode-Matching Methods (in Microwave and Millimeter Wave Technologies (ISBN: 978-953-307-083-4)),  , Oct 2009, 2010.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, J. M. Rebollar, M. J. Mart?n, and V. García,  "Design and Evaluation of a Ka-band Antenna Feeder with Broadband Dual-Polarization Performance",  Proc. 2010 USNC/URSI National Radio Science Meeting, pp. 14, July, 2010.

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., J. R. Montejo-Garai, and J. M. Rebollar,  "Multi-Section Bow-Tie Steps for Full-Band Waveguide Polarization Rotation",  IEEE Microwave and Wireless Components Letters, vol. 20, no. 7, pp. 375-377, July, 2010.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "A New Model for the Electromagnetic Characterization of SIW",  Proc. VII Encuentro Ibérico de Electromagnetismo Computacional (in Spanish), pp. 1-4, Apr., 2010.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Nuevo Modelo para la Caracterización Electromagnética de SIW",  Proc. 2010 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2010.

Leal-Sevillano, C. A., J. A. Ruiz-Cruz, J. R. Montejo-Garai, and J. M. Rebollar,  "Simple Models For The Analysis Of Waveguiding Systems At The Terahertz Band Using Classical Microwave Approaches",  Proc. 2010 European Conference on Antennas and Propagation (EuCap), pp. 1-5, Apr., 2010.

Medina-Mena, F., F. Mesa-Ledesma, J. A. Ruiz-Cruz, J. M. Rebollar, and J. R. Montejo-Garai,  "Study of Extraordinary Transmission in a Circular Waveguide System",  IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 6, pp. 1532-1542, June, 2010.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, J. M. Rebollar, and J. M. Montero,  "C-Band Orthomode Transducer for Compact and Broadband Antenna Feeders",  Electronics Letters, vol. 45, no. 16, pp. 813-814, July, 2009.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Design of a Dual-Band Ortho-Mode Transducer for Satellite Communications with Large Separation between Bands",  Proc. 2009 USNC/URSI National Radio Science Meeting, pp. 1, June, 2009.

Medina-Mena, F., J. A. Ruiz-Cruz, F. Mesa-Ledesma, J. R. Montejo-Garai, J. M. Rebollar, and R. Marques-Sillero,  "Experimental verification of extraordinary transmission without surface plasmons",  Applied Physics Letters, vol. 95, no. 7, pp. 1-3, August, 2009.

Monge, J., J. A. Ruiz-Cruz, S. Anza, C. Vicente, K. A. Zaki, J. R. Montejo-Garai, J. M. Rebollar, J. Gil, B.. Gimeno, and V. E. Boria,  "High Power analysis and design of dual-mode channel filters",  2009 IEEE MTT-S International Microwave Symposium Digest, pp. 1353-1356, June, 2009.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Síntesis de Filtros Elípticos Single-Terminated Simétricos y Asimétricos para Multiplexación",  Proc. 2009 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2009.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Synthesis and Design of a Diplexer with Asymmetric Singly-Terminated Elliptic Ladder Filters",  Proc. 2009 Int. Workshop on Microwave Filters CNES-ESA, pp. 1-6, Nov., 2009.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Synthesis of Symmetric and Asymmetric Singly-Terminated Elliptic Ladder Filters for Multiplexing Applications",  International Journal of RF and Microwave Computer-Aided Engineering, vol. 19, no. 4, pp. 443-452, July, 2009.

Medina-Mena, F., J. A. Ruiz-Cruz, F. L. Mesa-Ledesma, J. R. Montejo-Garai, J. M. Rebollar, and R. Marques-Sillero,  "Transmisión Extraordinaria sin Plasmones de Superficie",  Proc. 2009 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2009.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, J. M. Rebollar, and S.. Sobrino,  "Compact Full Ku-Band Triplexer With Improved E-Plane Power Divider",  Progress in Electromagnetic Research, vol. 86, pp. 39-51, October, 2008.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Comparison of Different Models to Obtain the Dispersion Diagrams of Transmission Lines at Terahertz Frequencies",  Proc. 2008 USNC/URSI National Radio Science Meeting, pp. 1, July, 2008.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Design and Full-Wave Optimization of a Ku-Band Rectangular Waveguide Triplexer",  Proc. 2008 USNC/URSI National Radio Science Meeting, pp. 1, July, 2008.

Ruiz-Cruz, J. A., Y. Zhang, J. R. Montejo-Garai, J. M. Rebollar, and K. A. Zaki,  "Diseño de filtros dual-mode longitudinales en guía de onda rectangular",  Proc. 2008 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2008.

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., Y. Zhang, J. R. Montejo-Garai, J. M. Rebollar, and K. A. Zaki,  "Longitudinal Dual-Mode Filters in Rectangular Waveguide",  2008 IEEE MTT-S International Microwave Symposium Digest, pp. 631-634, June, 2008.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Modelos para la caracterización de líneas de transmisión en Terahercios",  Proc. VI Encuentro Ibérico de Electromagnetismo Computacional (in Spanish), pp. 1-6, Oct., 2008.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, J. M. Rebollar, C. E. Montesano, M. J. Mart?n, and M. Naranjo-Masi,  "CAD de OMTs (Ortho-Mode Transducers) de Banda Ancha Basados en la Unión Bøifot",  Proc. 2007 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2007.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, J. M. Rebollar, A. I. Daganzo, and I. Hidalgo-Carpintero,  "Design of Riblet-type couplers for Ka band applications",  Proc. 2007 IEEE Antennas and Propagation Society International Symposium, pp. 4276-4279, June, 2007.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, J. M. Rebollar, A. I. Daganzo, and I. Hidalgo-Carpintero,  "Diseño de Acopladores Tipo Riblet en Banda Ka",  Proc. 2007 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2007.

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, and K. A. Zaki,  "Waveguide filters with elliptical function response: Overview and results of different implementations",  International Journal of RF and Microwave Computer-Aided Engineering, vol. 17, no. 1, pp. 63-69, Jan., 2007.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Comparison of different technologies to implement finite transmission zeros in cavity waveguide filters",  Proc. 2006 Int. Workshop on Microwave Filters CNES-ESA, pp. 1-2, Oct., 2006.

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.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Diseño de filtros de Canal Elípticos y Autoecualizados en Banda Ka implementados en guía rectangular plano H",  Proc. 2006 Simposium Nacional URSI (in Spanish), pp. 1-3, Sept., 2006.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Relative Convergence Problem in the Mode-Matching Analysis of Stripline Interdigital Filters with Different Input-Output Coupling",  Proc. 2006 USNC/URSI National Radio Science Meeting, pp. 1, July, 2006.

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.

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.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Implementación de filtros con ceros de transmisión mediante polos extraídos en tecnología plano-H",  Proc. IV Encuentro Ibérico de Electromagnetismo Computacional (in Spanish), pp. 1-5, Sept., 2005.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Nuevo Método de Diseño de Multiplexores de Salida en Configuración Manifold y Estructura Plano-H",  Proc. 2005 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 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., J. R. Montejo-Garai, and J. M. Rebollar,  "Simple equivalent circuit of multi-aperture rectangular iris in rectangular waveguide",  Proc. 2005 USNC/URSI National Radio Science Meeting, pp. 1, July, 2005.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Synthesis and design of a manifold triplexer implemented in a three layer rectangular H-plane waveguide",  Proc. 35th European Microwave Conference, vol. 1, pp. 1-4, Oct., 2005.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, J. M. Rebollar, M. J. Padilla-Cruz, A. Onoro-Navarro, and I. Hidalgo-Carpintero,  "Synthesis and design of in-line N-order filters with N real transmission zeros by means of extracted poles implemented in low-cost rectangular H-plane waveguide",  IEEE Transactions on Microwave Theory and Techniques, vol. 53, no. 5, pp. 1636-1642, May, 2005.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Application of the simulated annealing for waveguide filters with complicated frequency response",  WSEAS Transactions on Mathematics, vol. 3, no. 4, pp. 807-812, Oct., 2004.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Diseño y medida de un filtro dual-mode en cavidad elíptica",  Proc. 2004 Simposium Nacional URSI (in Spanish), pp. 1-4, Sept., 2004.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, J. M. Rebollar, M. J. Padilla-Cruz, and O-N. A. I Hidalgo-Carpintero,  "High power-low loss band pass rectangular waveguide H-plane filters with finite real frequency transmission zeros",  Proc. 2004 Int. Workshop on Microwave Filters CNES-ESA, pp. 1-2, Sept., 2004.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "Characterisation of waveguide discontinuities with finite wall conductivity",  Proc. 2002 IEEE Antennas and Propagation Society International Symposium, vol. 4, pp. 428-431, June, 2002.

Ruiz-Cruz, J. A., J. R. Montejo-Garai, and J. M. Rebollar,  "CAD of dual-mode filters with elliptical cavities",  Proc. 11th International Travelling Summer School on Microwaves and Lightwaves, pp. 11, July, 2001.

Montejo-Garai, J. R., J. A. Ruiz-Cruz, and J. M. Rebollar,  "Comparación entre diferentes técnicas para el cálculo de pérdidas de inserción en filtros",  Proc. II Encuentro Ibérico de Electromagnetismo Computacional (in Spanish), pp. 1, Dec., 2001.