銀河系通信
Subtitle: Yun Pu-hyŏn sijip
Edition: Chaepʻan.
Publisher: Chʻangjinsa
Published: 1974
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 147
Other titles: Ŭnhagye tʻongsin
Notes: Poems.