@Article{schmitt1992-ccm,
  author =          {Schmitt, H. P.},
  author =          {Oberwittler, C.},
  author =          {Schad, L. R.},
  title =           {Computer-aided classification of malignancy in astrocytomas. I. The value of nuclear parameters obtained by automated black and white image analysis.},
  journal =         {Anal Cell Pathol},
  year =            {1992},
  volume =          {4},
  pages =           {397-407},
  number =          {6},
  month =           {Nov},
  institution =     {Institute of Neuropathology, University of Heidelberg, Germany.}}