12000 Years of Human Occupation, 3 Meters Deep Stratigraphy, 12 Hectares... A Geographical Information System (GIS) for the Preventive Archaeology Operation at Alizay (Normandie, France) - Mazet, Sylvain (CAA 2014 : 21st century archaeology : concepts, methods and tools : proceedings of the 42nd annual conference on Computer Applications and Quantitative Methods in Archaeology /, 2015)