Kigyehwa kisul kaebal yŏnʼgu =
Subtitle: Coal mining technology : application of rock mechanics to coal mining, longwall mining system with ramplough.
Contributors: Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso.
Series: 82 Sŏktʻan chawŏn ;; 6-09; Sŏktʻan chawŏn ;; 82-6-29.
Publisher: Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso
Published: 1983
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 99
Subjects: Coal mines and mining; Coal mines and mining -- Korea (South)
Other titles: Coal mining technology.
Notes: Includes bibliographies.
In Koran with abstracts in English.