 {{Cite conference| last1 = Versini| first1 = Pierre-Antoine| last2 = Gaume| first2 = E.| last3 = Andrieu| first3 = Hervé| title = A simple method based on GIS to estimate the hydrological risk along a road network| booktitle = European Geophysical Union General Assembly| location = Vienna, Austria| date = 2008}}