1. Accelerated erosion in Italy;Alexander;Geography,1980
2. Natural stabilization mechanisms on badland slopes: Tabernas, Almeria, Spain;Alexander,1994
3. Difference between “calanchi” and “biancane” badlands in Italy;Alexander,1982
4. I calanchi di Atri (Abruzzo): caratteri mineralogici, geotecnici e geomorfologici;Anselmi;Il Quaternario,1994
5. Geochemistry, Groundwater and Pollution;Appelo,1993