Keun-Seok Park, Chang-Ryoun Son, Jun-Sik Son, Byoung-Nam Kim, Young-Dal Kim and Dae-Dong Lee
Journal of Engineering and Applied Sciences 13 ( 3 SI ): 3326 - 3329 , 2018
Dae-Dong Lee, Young-Dal Kim and Min-Gu Lee
Journal of Engineering and Applied Sciences 13 ( 14 SI ): 10828 - 10834 , 2018