Reference:
  Author: Olivier Langella and Michel Zivy
  Title: "A method based on bead flows for spot detection on 2-D gel images"
  Journal: Proteomics
  Year: 2008
  Volume: 8
  Number: 23-24
  Pages: 4914-8
  DOI: 10.1002/pmic.200800644
  PMID: 19003871
  URL: http://onlinelibrary.wiley.com/doi/10.1002/pmic.200800644/abstract
