Hiroyuki Kayano Hiroyuki Fuke Fumihiko Aiga Mutsuki Yamazaki Yoshiaki Terashima Tatsunori Hashimoto Electrically Tunable Superconducting Microstrip Line Band-Pass Filter for Mobile Applications. 221-225 2005 88-C IEICE Trans. Electron. 2 https://doi.org/10.1093/ietele/E88-C.2.221 db/journals/ieicet/ieicet88c.html#KayanoFAYTH05