Biostratigraphy and paleoenvironment of the Cheju Sedimentary Basin: Based on materials from exploration wells, Geobuk-1 and Okdom-1.
Reference:
Yun,H. et al. (1999)
Biostratigraphy and paleoenvironment of the Cheju Sedimentary Basin: Based on materials from exploration wells, Geobuk-1 and Okdom-1. Journal of the Paleontological Society of Korea
Vol. 15 # 1 P. 43- 94