@inproceedings{Osawa00,
  title = {Generation and Evaluation of Glyphs Representing Superclass-Subclass Relationships},
  author = {Noritaka Osawa},
  year = {2000},
  url = {http://www.computer.org/proceedings/vl/0840/08400081abs.htm},
  researchr = {https://researchr.org/publication/Osawa00},
  cites = {0},
  citedby = {0},
  pages = {81-82},
  booktitle = {VL},
}