1. Ecosystem analysis using fuzzy set theory;Bosserman;Ecol. Model.,1982
2. Fuzzy Sets, Uncertainty, and Information;Klir,1988
3. Nutrient availability of dune slacks in relationship to environmental conditions and external inputs;Koerselman,1992
4. Fuzzy reasoning in the development of geographical information systems;Kollias;Int. J. Geogr. Inform. Syst.,1991
5. Integrated processing of remotely sensed and geographic data for land inventory purposes;Molenaar,1991