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Morán-López, A.., J.A.. Ruiz-Cruz, J. Córcoles, J.R.. Montejo-Garai, and J.M.. Rebollar,  "Analytical expressions of the Q-factor for the complete resonant mode spectrum of the equilateral triangular waveguide cavity",  Electronics Letters, vol. 55, no. 17, pp. 944-947, 2019.

Polo-Lopez, L.., J. Córcoles, and J.A.. Ruiz-Cruz,  "Analytical far-zone calculation of the field radiated from an equilateral triangular aperture",  IEEE Transactions on Antennas and Propagation, vol. 67, no. 8, pp. 5668-5672, 2019.

Polo-Lopez, L.., J. Córcoles, and J.A.. Ruiz-Cruz,  "Antenna design by means of the fruit fly optimization algorithm",  Electronics (Switzerland), vol. 7, no. 1, 2018.