An improved open-ended waveguide measurement technique on parameters ϵγ and μγ of high-loss materials. - Maode Niu; Yong Su; Jinkui Yan; Chenpeng Fu; Deming Xu (IEEE Trans. Instrum. Meas., 1998)

In-Situ Measurement of Complex EM Parameters of Dispersive Absorbing Materials by Coaxial-Probe-Based Frequency-Variation Method. - Chun-Ping Chen; Yu Dong; Maode Niu; Deming Xu; Zhewang Ma; Tetsuo Anada (IEICE Trans. Electron., 2006)