@Article{SCI:Ber1995a,
  author =    "M. Berzins and J.M. Ware",
  title =     "Positive Cell Centered Finite Volume
              Discretisation Methods for Hyperbolic Equations on
              Irregular Meshes",
  journal =   "Applied Numerical Mathematics",
  volume =    "16",
  pages =     "417--438",
  year =      "1995",
  url =       "http://www.sci.utah.edu/publications/Ber1995a/Berzins_Apnumv16FVol.pdf",
}