Reference:
  Author: Thibaut Jombart
  Title: "adegenet: a R package for the multivariate analysis of genetic markers"
  Journal: Bioinformatics
  Year: 2008
  Volume: 24
  Number: 11
  Pages: 1403-5
  DOI: 10.1093/bioinformatics/btn129
  PMID: 18397895
  URL: http://bioinformatics.oxfordjournals.org/content/24/11/1403
  eprint: http://bioinformatics.oxfordjournals.org/content/24/11/1403.full.pdf+html
