The fractal nature of nature: power laws, ecological complexity and biodiversity.
James H Brown, Vijay K Gupta, Bai-Lian Li, Bruce T Milne, Carla Restrepo, and Geoffrey B West
Philos Trans R Soc Lond B Biol Sci. 2002 May 29; 357(1421): 619–626. doi: 10.1098/rstb.2001.0993.PMCID: PMC1692973