Reference:
  Author: Qiong Wang and George M. Garrity and James M. Tiedje and James R. Cole
  Title: Naive Bayesian classifier for rapid assignment of rRNA sequences into the new bacterial taxonomy
  Journal: Appl Environ Microbiol.
  Year: 2007
  Volume: 73
  Number: 16
  Pages: 5261-7
  DOI: 10.1128/AEM.00062-07
  PMID: 17586664
  URL: http://aem.asm.org/content/73/16/5261
  eprint: http://aem.asm.org/content/73/16/5261.full.pdf
