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Development of in-situ tunnel-ahead detection system using electromagnetic wave Ryu, H.H.; Cho, Gye-Chun; Sim, Y.J.; Lee, G.H.; Lee, J.K., 33rd ITA-AITES World Tunnel Congress - Underground Space - The 4th Dimension of Metropolises, WTC 2007, pp.243 - 248, 2007-05-05 |
Prediction of ground-condition ahead of tunnel face using electrical resisitivity - Analytical study Cho, Gye-Chun; Choi, J.S.; Lee, G.H.; Lee, J.K., the 31st ITA-AITES World Tunnel Congress, Underground Space Use: Analysis of the Past and Lessons for the Future, pp.1187 - 1193, 2005-05 |
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