@Article{SCI:Not2012a,
  author =    "P.K. Notz and R. Pawlowski and J. Sutherland",
  title =     "Graph-Based Software Design for Managing
              Complexity and Enabling Concurrency in Multiphysics
              PDE Software",
  journal =   "ACM Transactions on Mathematical Software",
  volume =    "39",
  number =    "1",
  year =      "2012",
  month =     "November",
  url =       "http://www.sci.utah.edu/publications/Not2012a/Notz_TMS2012.pdf",
}