F. Stuart Chapin III, Erika S. Zavaleta, Valerie T. Eviner, Rosamond L. Naylor, Peter M. Vitousek, Heather L. Reynolds, David U. Hooper, Sandra Lavorel, Osvaldo E. Sala, Sarah E. Hobbie, Michelle C. Mack, Sandra Díaz,
Consequences of changing biodiversity Nature. ,vol. 405, pp. 234- 242 ,(2000) ,
10.1038/35012241