1. ABS, 2011a. Catalog #9208.0: Survey of Motor Vehicle Use. (accessed 29.02.12).
2. ABS, 2011b. Catalog #9309.0: Survey of Motor Vehicle Use. (accessed 29.02.12).
3. An Investigation into the Reasons for the Rejection of Congestion Charging by the Citizens of Edinburgh;Allen;European Transport,2006
4. Australian Greenhouse Office, 2008. National Greenhouse Gas Inventory. (accessed November 10).
5. A new product growth for model consumer durables;Bass;Management Science,1969