and ICE for species richness, as well as some novel methods to infer entropy, diversity and related similarity/differentiation measures, (ii) established
ISSN 0028-0836 ; EISSN 1476-4687 ; (accessed 15 April 2010) Nature, "FIGURE 3. The entropy of the intracluster medium in spherical shells of radius r." (页面存档备份,存于互联网档案馆)