Artículos introductorios.
- Alain F. Zuur, Elena N. Ieno y Chirs s. Elphick. A protocol for data exploration to avoid common statistical problems. Methods in Ecology & Evolution. Volumen 1. 2010. Pág. 3-14.
- Frances C. James y Charles E. McCullock. Multivariate Analysis in Ecology and Systematics: Panacea or Pandora’s Box?. Annu. Rev. Ecol. Syst. 1990. 21:129-66.