1. Abrajevitch, A., Van der Voo, R., Levashova, N.M., and Bazhenov, M.L., 2007, Paleomagnetic constraints on the paleogeography and oroclinal bending of the Devonian volcanic arc in Kazakhstan. Tectonophysics, 441, 67–84.
2. Carey, S.W., 1955, The orocline concept in geotectonics. Papers and Proceedings of the Royal Society of Tasmania, 89, 255–288.
3. Cheong, C.H., 1969, Stratigraphy and paleontology of the Samcheog coalfield, Gangweondo, Korea (1). Journal of the Geological Society of Korea, 5, 13–56.
4. Cheong, C.H., 1971, Stratigraphy and paleontology of the Danyang coalfield, N. Chuncheong-do, Korea. Journal of the Geological Society of Korea, 7, 63–92. (in Korean with English abstract)
5. Choi, D.K., 1998, The Yongwol Group (Cambrian–Ordovician) redefined: a proposal for the stratigraphic nomenclature of the Choson Supergroup. Geosciences Journal, 2, 220–234.