Giannetti, Giacomo, Stefano Maddio, and Enrico Boni. “Compact All-Metal In-Line Combline Coaxial Cavity Diplexer”. Journal of Telecommunications and Information Technology 98, no. 4 (October 2, 2024): 9–14. Accessed December 9, 2024. https://wildcardsubdomaintoprocess.jtit.pl/jtit/article/view/1783.