1. http://www.nucleonica.net/wiki/images/d/df/EMC_2008_short.pdf
2. http://web.student.tuwien.ac.at/˜e9527412/history.html
3. http://www.britannica.com/EBchecked/topic/1252440/von-Neumann-machine
4. http://mathworld.wolfram.com/CellularAutomaton.html
5. http://www.math.com/students/wonders/life/life.html