Measurement of Layer Thickness and Permittivity Using a New Multilayer Model From GPR Data. - Chien-Ping Kao; Jing Li; Ying Wang; Huichun Xing; Ce Richard Liu (IEEE Trans. Geosci. Remote. Sens., 2007)

Design and Analysis of UWB TEM Horn Antenna for Ground Penetrating Radar Applications. - Chien-Ping Kao; Jing Li; Ce Richard Liu; Yu Cai (IGARSS (4), 2008)