1. APAT Report, 2003. Il monitoraggio dello stato dell’ambiente in Italia (On the environmental monitoring in Italy). Nat. Environ. Prot. Agency, Dip. Stato dell’ambiente, Controlli, Sist. Informativi. Rome, Centro tematico nazionale territorio e suolo (summary and figures available at http://ctntes.arpa.piemonte.it/Indicatori/tabellefigure/desertificazione.pdf).
2. NDVI and a simple model of deciduous forest seasonal dynamics;Birky;Ecol. Model.,2001
3. Il monitoraggio dello stato dell’ambiente in Italia (On the environmental monitoring in Italy);Caracciolo,2000
4. Detection of inter-annual variation of vegetation in middle and southern Italy during 1999–1999 with 1km NOAA AVHRR;Cuomo;J. Geophys. Res.,2001
5. ISTAT, 2003. National Institute of Statistics, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003. Annuario dell’Agricoltura. ISTAT, Rome, Italy.