Passi, D., A. Leggieri, F. Di Paolo, M. Bartocci, A. Tafuto, and A. Manna. “High Efficiency Ka-Band Spatial Combiner”. Advanced Electromagnetics 3, no. 2 (December 24, 2014): 10–15. Accessed October 26, 2025. https://www.aemjournal.org/index.php/AEM/article/view/267.