Sŏntʻan kisul kaebal yŏnʼgu =
Subtitle: A Study on the development of coal preparation technics.
Contributors: Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso.
Series: Yŏnʼgu pogosŏ -- KR-86-2-18; Yŏnʼgu pogosŏ (Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso) -- KR-86-2-18.
Publisher: Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso
Published: 1987
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 189
Subjects: Coal preparation
Other titles: Study on the development of coal preparation technics.
Notes: In Korean.

Abstract in English.

Includes bibliographies.