Kwangsan kijŏn chaehae yebang taechʻaek yŏnʼgu
By: Yu Si-yŏng, Yi Chʻun-tʻaek = Studies on the prevention of mechanical and electrical accidents in mining / Ryu, Si Yung, Lee, Choon Teak.
Series: KIGAM bulletin ; 09
Publisher: Chawŏn Kaebal Yŏnʼguso
Published: 1979
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 46