Sung-Ryoung Ma, Jong-Bae Choi and Jong-Eun Yang
Journal of Engineering and Applied Sciences 12 ( 14 ): 3586 - 3589 , 2017
Jong-Eun Yang, Jong-Bae Choi and Bo-Kyoung Song
Journal of Engineering and Applied Sciences 12 ( 7 SI ): 8012 - 8015 , 2017