1. Mare, P. V., Mel, R. G., Lind, A. B., Julie, Y. and Richard, E. P. 1993. An Intelligent GIS for Rangeland Impact Assessment. In4th Annual Conference on AI, Simulation and Planning in High Autonomy Systems, 'Integrating Virtual Reality and Model-Based Environments', 1993, Tucson, AZ, USA, pp. 109–115
2. A hybrid travel demand model with GIS and expert systems
3. A GIS-based database management application for agroforestry planning and tree selection