@ARTICLE{GoodmanYu:MedianInterp,
  author =       {T. N. T. Goodman and T. P.-Y. Yu},
  title =        {Interpolation of Medians},
  journal =      {Advances in Computational Mathematics},
  year =         {1999},
  volume =       {11},
  number =       {1},
  pages =        {1-10},
}