V. Daškevičius, J. Skudutis, A. Katkevičius, and S. Štaras, “Simulation and Properties of the Wide-Band Hybrid Slow-Wave System”, ELEKTRON ELEKTROTECH, vol. 104, no. 8, pp. 43–46, Oct. 2010, Accessed: Feb. 08, 2026. [Online]. Available: https://eejournal.ktu.lt/index.php/elt/article/view/9224