地下鐵循環線(江北-江南)建設을為한技術및經濟性調查
By: Yŏnʾgu kigwan Hanʾguk Kwahak Kisul Yŏnʾguso
Publisher: Sŏul Tʻŭkpyŏlsi
Published: 1975
Place of publication: Sŏul
Language: kor
Number of pages: 106
Subjects: Subways
Other titles: Chihachʻŏl sunhwansŏn (Kangbuk-Kangnam) kŏnsŏl ŭl wihan kisul mit kyŏngjesŏng chosa
Notes: Report made to Sŏul Tʻŭkpyŏlsi.