Tonggul chŏnmun sajin chakka Sŏk Tong-il ajŏssi ka poyŏ chunŭn tonggul ŭi pimil
Edition: Chʻopʻan
Publisher: Yerimdang
Published: 2002
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 238
Subjects: Caves; Pictorial works
Other titles: Tonggul ŭi pimil