@PhdThesis{Sar94,
  key =     {Sar94},
  Html =   { Sar94},
  author =   {{\v S}{\'a}ra, Radim},
  title =   {Local Shading Analysis via Isophotes Properties},
  school =   {Johannes Kepler University Linz, Dept. of System
                  Sciences},
  address =   {Linz, Austria},
  year =   {1994},
  pages =   {142},
  month =   {March},
  type =   {PhD Thesis},
  keywords =   {Computer Vision, 3-D Vision, Shape from Shading,
                  Local Shading Analysis, Shape Features, Isophotes},
  PSURL =   { PostScript
                  },
}