S.-W. Jeong, K. S. Kim, M. T. You and Y. Roh, T. Noguchi, J. Jung and J.-Y. Kwon
Journal of The Korean Physical Society
J. Korean Phy. Soc.
47 / S401 / 2005
Jeong-In Han and Yong-Hoon Kim
IEICE Transactions On Electronics
IEICE Trans. Electron.
E88-C / 667 / 2005