Schrader, Erin (February 2006). "A Confluence of Confluences". String Letter Publishing. Archived from the original on 12 November 2006. Retrieved 17 December 2007.
Schrader, Erin (February 2006). "A Confluence of Confluences". String Letter Publishing. Archived from the original on 12 November 2006. Retrieved 17 December 2007.