1. AMAT (2002). Annual Report 2001 on urban Mobility (Rapporto annuale 2001 sulla mobilità urbana), pp. 27-49, (in Italian).
2. AMAT (2005). Report on Emissions in Atmosphere in Milano Municipality (Inventario delle Emissioni in Atmosfera del Comune di Milano), (in Italian).
3. Barth, M.& Shaheen (2002). Shared-use vehicle systems_a framework for classifying carsharing, station cars, and combined approaches. Transportation Research Board - TRB Paper No. 02-3854.
4. Bellifemine, F.L., Borean, C. & De Bonis, R. (2009). Smart Grids: Energia e ICT. Notiziario Tecnico Telecom Italia, Anno 18, No. 3, 2009, (in Italian).
5. Brook, D. (2004). Start up Issues and New Operational Models. Transportation Research Board January, 2004.