&;
C;
Eng.;
Dept,;
KEPCO;
Engineering;
&;
Construction;
Company,;
Inc.,;
989-113;
Daedeok-Daero,;
Daejeon;
305-353,;
Korea;
of;
Electrical;
&;
Computer;
Engineering,;
Chungnam;
National;
University,;
99;
Daehak-ro,;
Daejeon;
305-764,;
Korea;