Thielen, J., Salomon, P. and De Roo, A. (2008) “Geographical information systems – An integral part of the European Flood Alert System (EFAS)”, GeoFocus. International Review of Geographical Information Science and Technology, (8), pp. 12–16. Available at: https://geofocus.org/index.php/geofocus/article/view/134 (Accessed: 7May2025).