석탄형성에관한관찰기록
Subtitle: Yi Kŏn-chʻŏng sijip
Edition: 1-pʻan.
Series: Si wa sihak siinsŏn -- 9
Publisher: Si wa Sihaksa
Published: 2000
Place of publication: Sŏul
Language: kor
Number of pages: 121
Other titles: Sŏktʻan hyŏngsŏng e kwanhan kwanchʻal kirok