S. Y.  Yang, Kim, J. B., Min, M. S., Suh, J. H., and Suk, H. Y., ?Genetic and phenetic differentiation among three forms of Korean salamander Hynobius leechii?, orean journal of biological sciences, vol. 1, pp. 247-257, 1997.

S. Y.  Yang, Kim, J. B., Min, M. S., Suh, J. H., and Kang, Y. J., Monograph of Korean Amphibia. Seoul: Academy Book Press, 2001.