@Article{SCI:Wan2011d,
  author =    "Bei Wang and B. Summa and V. Pascucci and M.
              Vejdemo-Johansson",
  title =     "Branching and Circular Features in High
              Dimensional Data",
  journal =   "IEEE Transactions of Visualization and Computer
              Graphics (TVCG)",
  volume =    "17",
  number =    "12",
  pages =     "1902--1911",
  year =      "2011",
  keywords =  "Dimensionality reduction, circular coordinates,
              visualization, topological analysis",
  url =       "http://www.sci.utah.edu/publications/Wan2011d/Wang_TVCG2011.pdf",
}