@Article{SCI:Mar2011a,
  author =    "T. Martin and E. Cohen and R.M. Kirby",
  title =     "Direct Isosurface Visualization of Hex-Based
              High-Order Geometry and Attribute
              Representations",
  journal =   "{IEEE} Transactions on Visualization and Computer
              Graphics ({TVCG})",
  volume =    "PP",
  number =    "99",
  pages =     "1--14",
  year =      "2011",
  issn =      "1077-2626",
  doi =       "10.1109/TVCG.2011.103",
  url =       "http://www.sci.utah.edu/publications/martin11/Martin_TVCG2011.pdf",
}