우리들의석기시대
Subtitle: Yi Sun-wŏn changpʻyŏn sosŏl
Edition: Chʻopʻan.
Publisher: Koryŏwŏn
Published: 1991
Place of publication: Sŏul
Language: kor
Number of pages: 328
Other titles: Uridŭl ŭi sŏkki sidae