Title: Chosŏn sidae uri nŭn hanŭl ŭl naratta
Authors: Nam, Sŏng-u; Hŏ, Chin.; Mun, Hyŏng-nyŏl.; Yu, In-chʻon.; Han'guk Pangsong Kongsa
Publisher: Crezio,
Year: 2001
Subjects: Flying-machines Korea History.; Documentary television programs Korea (South); Korea History