A module in a program for 3D tunneling control using the Visualization ToolKit(VTK). - Huiuk Yi; Yosoon Choi; Hyeong-Dong Park (Geoinformatik, 2010)

A new algorithm for grid-based hydrologic analysis by incorporating stormwater infrastructure. - Yosoon Choi; Huiuk Yi; Hyeong-Dong Park (Comput. Geosci., 2011)