@techreport{techreport-08-04,
  author      = "Amos Brocco, Fulvio Frapolli, Béat Hirsbrunner",
  title       = "Shrinking the Network: The BlatAnt Algorithm",
  institution = "Department of Informatics, University of Fribourg, Switzerland",
  year        = "2008",
  type        = "Technical Report",
  number      = "04",
  month       = "April",
}