1. Note on Land Development,1993
2. Landinrichting gewogen, de plaats van de milieu-, natuur- en landschapsbelangen in bet landinrichtingsbeleid;Driessen,1990
3. Applying artificial intelligence techniques for intelligent design;Vingerhoeds,1994
4. A GIS-based DSS for environmental zoning;ten Velden,1990
5. Some suggestions concerning the development of artificial intelligence tools for spatial modelling and analysis in GIS;Openshaw,1993