Zhang, K.J. and Yin Y.P. (2007) Practice of Establishing China's Geo-Hazard Survey Information System,Proc. Specialized Session S02, 11th ISRM Congress, Lisbon 2007 (eds. D.G. Toll & Z.Y. Chen), pp. 18-22.
Zhang, K.J. and Yin Y.P. (2007) 
Practice of Establishing China's Geo-Hazard Survey Information System,Proc. Specialized Session S02, 11th ISRM Congress, Lisbon 2007 (eds. D.G. Toll & Z.Y. Chen), pp. 18-22.