@Article{SCI:Che2012b,
  author =    "G. Chen and V. Kwatra and L.-Y. Wei and C.D.
              Hansen and E. Zhang",
  title =     "Design of {2D} Time-Varying Vector Fields",
  journal =   "{IEEE} Transactions on Visualization and Computer
              Graphics {TVCG}",
  volume =    "18",
  number =    "10",
  pages =     "1717--1730",
  year =      "2012",
  doi =       "10.1109/TVCG.2011.290",
  url =       "http://www.sci.utah.edu/publications/chen11/Chen_TVCG2011.pdf",
}