@Article{SCI:Pra1996a,
  author =    "P. Pratt and M. Berzins",
  title =     "Shock preserving quadratic interpolation for
              visualization on triangular meshes",
  journal =   "Computers \& Graphics",
  volume =    "20",
  number =    "5",
  pages =     "723--730",
  year =      "1996",
  doi =       "10.1016/S0097-8493(96)00046-5",
  url =       "http://www.sci.utah.edu/publications/Pra1996a/Pratt_CG1996.pdf",
}