1. The Lognormal Distribution;Aitchinson,1957
2. Self-organized criticality: a holistic view of nature;Bak,1994
3. How Nature Works: The Science of Self-organized Criticality;Bak,1996
4. Exactly Solved Models in Statistical Mechanisms;Baxter,1982
5. Self-organization and complexity in historical landscape patterns;Bolliger;Oikos,2003