P. Eklund, S. Kirkby, and S. Pollitt. Australian and New Zealand Conference on Intelligent Information Systems (ANZIIS '96), page 329-333. IEEE Press, (1996)Simon Pollitt's paper on shortest path implementation in firemaster.
S. Kirkby, S. Pollitt, and P. Eklund. 7th International Symposium on Spatial Information Systems: Advances in GIS Research II, 7b, page 31. International Geographical Union Commission on GIS, (1996)