| |  | Wegener, Michael | Spatial models and GIS read moreAbstract: Sorry no abstract available for this article | 1999 |
| |  | Nyerges, T. L. | Geographic information abstractions: Conceptual clarity for geographic modeling read moreAbstract: Sorry no abstract available for this article | 1991 |
| |  | Tobler, Waldo R. | Cellular geography read moreAbstract: Sorry no abstract available for this article | 1979 |
| |  | | Spatial Models and GIS: New Potential and New Models read moreAbstract: Sorry no abstract available for this article | |