@Article{SCI:Ber98b,
  author =    "M. Berzins and P.J. Capon and P.K. Jimack",
  title =     "On Spatial Adaptivity and Interpolation When Using
              the Method of Lines",
  journal =   "Applied Numerical Mathematics",
  volume =    "26",
  pages =     "117--134",
  year =      "1998",
  url =       "http://www.sci.utah.edu/publications/berzins98/berzins91spatial.pdf",
}