@Article{Lee07,
  author    = {WeeSan Lee and Levent Burak Kara and Thomas F.~Stahovich},
  title     = {An Efficient Graph-Based Recognizer for Hand-drawn Symbols},
  journal   = {Computers \& Graphics},
  pages     = {554-567},
  volume    = {31},
  issue     = {4},
  month     = {August},
  year      = {2007},
}