1. The electrical resistivity log as an aid in determining some reservoir characteristics;Archie;Trans. Am. Inst. Min., Metall. Pet. Eng.,1942
2. Prediction of ground-condition ahead of tunnel face using electromagnetic wave - analytical study (in Korean);Choi;Tunnel. Technol.,2004
3. Prediction of ground condition ahead of tunnel face using electric resistivity-analytical study;Cho;Undergr. Space Use,2005
4. Dickmann, T., Sander, B.K., 1996. Drivage-concurrent tunnel seismic prediction (TSP). 14(6), 406–411.
5. The ant system: optimization by a colony of cooperating agents;Dorigo;IEEE Trans. Syst., Man, Cybernet.-Part B,1996