Tʻaepʻyŏngyang pada sok e uri ttang i ittago?
Subtitle: simhae ŭi pomul, haejŏ kwangmul ŭl chʻajara
By: Kim Ki-hyŏn, Chi Sang-bŏm oe chiŭm.
Edition: Chʻopʻan
Publisher: Chisŏngsa
Published: 2006
Place of publication: Sŏul-si
Language: kor
Number of pages: 184
Subjects: Underwater exploration.