Choi, Dennis W; An, Chun San; Kang, Hyun Goo; Song, Tae-Jin; Ahn, Seong Hwan; Kim, Chang Hun; Kwon, Sun U. Abstract TP15: Rationale And Ongoing Status In
6 in the South (页面存档备份,存于互联网档案馆) New York Times Yi and Kim, 24. Yi, Hyeong-seok and KimJu-hwan, Hangang [The Han River](Seoul: Daewonsa, 1990), 61. Korea