Tʻanjŏn kaebal hamnihwa yŏnʼgu
Subtitle: Sŏngju tʻŏnŏl kaesŏl tʻadangsŏng yŏnʼgu = Research for rationalization of coal field development : feasibility study on Seungju tunnel construction
By: Pyŏn Chŏng-gyu ... [et al.].
Contributors: Pyŏn, Chŏng-gyu.
Series: Sŏktʻan chawŏn -- 82-1-01
Publisher: Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso
Published: 1983
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 53
Subjects: Coal -- Korea (South) -- Sŏngju-ri; Coal -- Transportation -- Korea (South)
Other titles: Research for rationalization of coal field development.
Notes: In Korean; with English abstract.

Bibliography: p. 38.