1. Using GPS for Augmenting Deformation Monitoring Systems in Open Pit Mines- Problems and Solutions;Bond;Geomatica,2005
2. Monitoring Earth Surface Deformations with InSAR Technology: Principle and Some critical Issues;Chen;Journal of Geospatial Engineering,2000
3. Local deformation monitoring using GPS in an open pit mine: Initial study;Kim;GPS Solutions,2003
4. Atmospheric refraction and other important biases in GPS carrier phase observations. Atmospheric Effects on Geodetic Space Measurements;Beutler,1988