@Article{SCI:Wan2019a,
  author =    "F. Wang and I. Wald and Q. Wu and W. Usher and C.
              R. Johnson",
  title =     "CPU Isosurface Ray Tracing of Adaptive Mesh
              Refinement Data",
  journal =   "IEEE Transactions on Visualization and Computer
              Graphics",
  volume =    "25",
  number =    "1",
  pages =     "1142-1151",
  year =      "2019",
  publisher = "IEEE",
  month =     "Jan",
  doi =       "10.1109/TVCG.2018.2864850",
  url =       "http://www.sci.utah.edu/publications/Wan2019a/08493612.pdf",
}