@Article{SCI:Sch2000a,
  author =    "G. Scheuermann and W. Kollmann and X. Tricoche and
              T. Wischgoll",
  title =     "Evolution of Topology in Axi-Symmetric and 3D
              Viscous Flows",
  journal =   "Numerical Simulations of Incompressible Flows",
  pages =     "622--643",
  year =      "2000",
  publisher = "World Scientific Publishing, New Jersey",
  url =       "http://www.sci.utah.edu/publications/scheuermann00/evolution.pdf",
}