Tunable Dual-Frequency Immittance Inverters on Dual-Composite Right/Left-Handed Transmission Lines (D-CRLH TL) with Variable Capacitors. - Dmitry Kholodnyak; Evgenia Zameshaeva; Viacheslav Turgaliev; Evgenii Vorob'ev (IEICE Trans. Electron., 2016)