목록 Rock mass classification using electrical resistivity - An analytical study Journal ADVANCED NONDESTRUCTUVE EVALUATION I, PTS 1 AND 2, PROCEEDINGS Vol 321-323 Page 1411-1414 Author Choi, J.-S. ; Ryu, H.-H. ; Lee, I.-M. ; Cho, G.-C.[Cho, Gye-Chun] Year 2008~