@Article{SCI:Wal99a,
  author =    "M. Walkley and M. Berzins",
  title =     "A finite element model for the one-dimensional
              extended Boussinesq equations",
  journal =   "International Journal for Numerical Methods in
              Fluids",
  volume =    "29",
  pages =     "143--157",
  year =      "1999",
  url =       "http://www.sci.utah.edu/publications/walkley99/MW_MB_IJNMF_1999.pdf",
}