1. The application of ‘least-cost’ modelling as a functional landscape model
2. The Application of Geographical Information Systems (GIS) in Sustainable Tourism Planning: A Review
3. Boyd, S. W. and Butler, R. W. 1996. “Seeing the forest through the trees: Using GIS to identify potential ecotourism sites in Northern Ontario”. InPractising responsible tourism: International case studies in tourism planning, policy & development, Edited by: Harrison, L. C. and Husbands, W. 380–403. New York: J. Wiley & Sons.
4. Bruehler, G. and Sondergaard, M. GIS/GPS Trail Condition Inventories: A Virtual Toolbox for Trail Managers. Proceedings of the Twenty-Fourth Annual ESRI User Conference. August9–13, San Diego, CA. Redlands, CA: Environmental Systems Research Institute.