1. Virtual geography;Batty;Futures,1997
2. BBC 2008 Mapping London's immigration http://news.bbc.co.uk/1/hi/uk/7315460.stm
3. Black , N. 2007 Neogeography and the AGI: have they got the wrong idea? Blog Entry http://www.blacksworld.net/blog/2007/09/22/Neogeography-and-the-agi-have-they-got-the-wrong-idea/