Ha , Kyoochul, Dong-Chan Koh, Byoung-Woo Yum, и Kang-Kun Lee. 2007. Записки Горного института 170 (2), 18-21. https://pmi.spmi.ru/pmi/article/view/7704.

Ha , Kyoochul, Dong-Chan Koh, Byoung-Woo Yum, and Kang-Kun Lee. 2007. "Aquifer Diffusivity Determination from Aquifer Responses to the River Stage Fluctuations in a Mangyeong-River Floodplain". Journal of Mining Institute 170 (2), 18-21. https://pmi.spmi.ru/pmi/article/view/7704.