2BITELLI G, BONSIGNORE F, UNGUENDOLIL M. Leveling and GPS Networks to Monitor Ground Subsidence in the Southern Po Valley[J]. Journal of Geodynamics, 2000,30:355-369.
9The Environmental Modeling Research Laboratory of Brigham Young University. Groundwater Modeling System tutorials. [ M]. 2002.
10Martin Ross, Michel Parent, Rene Lefebvre. 3D geologic framework models for regional hydrogeology and land use management: a case study from a Quaternary basin of Southwestern Quebec, Canada [ J ]. Hydrogeology Journal, 2005, 13 (5): 690-707.