Felicísimo, Ángel Manuel. “Bonham-Carter, G. F. (1996): Geographic Information Systems for Geoscientists. Modelling With GIS”. GeoFocus. International Review of Geographical Information Science and Technology, no. 3 (December 31, 2003): 9–12. Accessed May 9, 2025. https://geofocus.org/index.php/geofocus/article/view/36.