@Article{SCI:Tie2012b,
  author =    "J. Tierny and V. Pascucci",
  title =     "Generalized Topological Simplification of Scalar
              Fields on Surfaces",
  journal =   "{IEEE} Transactions on Visualization and Computer
              Graphics ({TVCG})",
  volume =    "18",
  number =    "12",
  pages =     "2005--2013",
  year =      "2012",
  month =     "Dec",
  url =       "http://www.sci.utah.edu/publications/Tie2012b/Tierny_TVCG2012.pdf",
}