- document
- Kim, Yong Tai (author), Kim, Tae Jun (author), Park, Tae Yoon (author), Jang, Chang Doo (author) report 2012
- document
- Kim, Myung Hyun (author) report 2008
- document
- Paik, Jeom Kee (author), Thayamballi, Anil K. (author), Wang, Ge (author), Kim, Bong Ju (author) report 2000