Mohamed Mowafy, Mahmoud A. Shawky, Syed Tariq Shah, Abdelhamid A. Shaalan, Safaa Ibrahim, Mai F. Ahmed. "Kilowatt-class planar four-way gysel combiner with power-aware impedance optimization for L-band pulsed radar." PLoS ONE (2026). https://doi.org/10.1371/journal.pone.0354086