4. Guy AW, IEEE Trans. Microwave Theory Tech., MTT-19, 205 (1994)
5. Watanabe S, Taki M, Nojima T, Fujiwara O, IEEE Trans. Microwave Theory Tech., MTT-44, 1874 (1996)
6. Yoon HGDevelopment of Material Composition for Human Phantom Model, Final Report on Commission of Electronics and Telecommunications Research Institute, 1999