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"An Integrated Relational Database for Tracking Rock Mass Data During Tunneling",
Safety in the Underground Space - Proceedings of the ITA-AITES 2006 World Tunnel Congress and 32nd ITA General Assembly, pp. 6 pgs, 2006.
"A Virtual Environment for Visualizing Fractures During Tunneling",
Proceedings of the 41st U.S. Symposium on Rock Mechanics, 2006, pp. 12 pgs, 2006.