Hi-Keun Lee

An Application of Stereophotogrammetry in Investigating Rock Discontinuity Orientation

Dong-Woo Ryu, Yuri Lee, Hi-Keun Lee, 2000 .

A Study on the In-Situ Measurement of the Deformation and the Back Calculation of the Load in the Mine Roadway Over-Stressed Rocks

So-Keul Chung, Hi-Keun Lee, Young-Soo Cho, 1993 .

Environmental and safety concerns in underground construction

So-Keul Chung, Hyung-Sik Yang, Hi-Keun Lee, 1997 .