So-Ra Han, Ki-Hwa Kim, Byeollee Kim, Kun-Ok Lim and Tae-Jin Oh
Journal of Engineering and Applied Sciences 12 ( 14 ): 3570 - 3575 , 2017
Hyeon-Young Kim, Yun-Jung Jang and Kun-Ok Lim
Journal of Engineering and Applied Sciences 12 ( 14 ): 3590 - 3592 , 2017