@Article{SCI:Toc1998a,
  author =    "M.D. Tocci and C.T. Kelley and C.T. Miller and
              C.E. Kees",
  title =     "Inexact Newton Methods and the Method of Lines for
              Solving Richards' Equation in Two Space
              Dimensions",
  journal =   "Computational Geosciences",
  volume =    "2",
  number =    "4",
  pages =     "291--309",
  year =      "1998",
  url =       "http://www.sci.utah.edu/publications/Toc1998a/1998_Tocci_Kelley_Miller_Kees_Richards_Equation_in_Two_Space_Dimensions.pdf",
}