Hubbell, S. P. 1997. A unified theory of biogeography and relative species abundance and
its application to tropical rain forests and coral reefs. Coral Reefs 16, Suppl.: S9ÐS21
Hubbell CoralReefs97

Quem se interessar mais pelo assunto pode querer ler o livro "The Unified Neutral Theory of Biodiversity and Biogeography." Stephen P. Hubbell
http://press.princeton.edu/titles/7105.html