1. Ha , K., Koh , D.-C., Yum , B.-W., Lee , K.-K.: Записки Горного института. 170, 18-21 (2007)

1. Ha , K., Koh , D.-C., Yum , B.-W., Lee , K.-K.: Aquifer diffusivity determination from aquifer responses to the river stage fluctuations in a Mangyeong-river floodplain. Journal of Mining Institute. 170, 18-21 (2007)