Toomey, Mark (20 November 2008). "A Significant Achievement"(PDF). The Infonomics Letter. Infonomics Pty Ltd. Archived from the original(PDF) on 15 August 2016. Retrieved 23 June 2016.
Toomey, Mark (20 November 2008). "A Significant Achievement"(PDF). The Infonomics Letter. Infonomics Pty Ltd. Archived from the original(PDF) on 15 August 2016. Retrieved 23 June 2016.