1. Bergquist,R., 2006. Preface. Geospatial Health, 1: 1.
2. Burrough,P.A., 1986. Principles of Geographical Information Systems for Land Resources Assessment. Clarendon, Oxford.
3. Cox,A.B., Gifford, F., 1997. An overview to Geographic Information Systems. JAL, 11: 449–461.
4. Cringoli,G., 2006. Mappe Parassitologiche 7. MAPZOO, 236 pp.
5. Cringoli,G., Rinaldi, L., Veneziano, V., Musella, V., 2005. Disease mapping and risk assessment in veterinary parasitology: some case studies. Parassitologia, 47: 9–25.