@Article{SCI:Yan2017a,
  author =    "L. Yang and A. Narayan and P. Wang",
  title =     "Sequential data assimilation with multiple
              nonlinear models and applications to subsurface
              flow",
  journal =   "Journal of Computational Physics",
  volume =    "346",
  pages =     "356--368",
  year =      "2017",
  month =     "Oct",
  issn =      "0021-9991",
  doi =       "10.1016/j.jcp.2017.06.026",
  url =       "http://www.sci.utah.edu/publications/Yan2017a/1707.06394.pdf",
}