@Article{SCI:Arc2009a,
  author =    "R. Archibald and A. Gelb and R. Saxena and D.
              Xiu",
  title =     "Discontinuity Detection in Multivariate Space for
              Stochastic Simulations",
  journal =   "Journal of Computational Physics",
  volume =    "228",
  number =    "7",
  pages =     "2676--2689",
  year =      "2009",
  doi =       "10.1016/j.jcp.2009.01.001",
  keywords =  "Stochastic partial differential equations,
              Multivariate edge detection, Generalized polynomial
              chaos method",
  url =       "http://www.sci.utah.edu/publications/archibald09/Archibald_JCP2009.pdf",
}