@TechReport{SCI:Liv2006c,
  author =    "O.E. Livne",
  title =     "Efficient Update of Persistent Patches in the
              Berger Rigoutsous Algorithm",
  number =    "UUSCI-2006-003",
  year =      "2006",
  institution = "University of Utah",
  type =      "{SCI} Institute Technical Report",
  url =       "http://www.sci.utah.edu/publications/SCITechReports/UUSCI-2006-003.pdf",
}