Eleanor Boyle Chlan and Penny Rheingans.
Multivariate Glyphs for Multi-Object Clusters.
In Proceedings of InfoVis '05, pp. 141--148, 2005.

Bibtex:

@InProceedings{  chlan:2005:MGMO,
  author = 	 "Eleanor Boyle Chlan and Penny Rheingans",
  title = 	 "Multivariate Glyphs for Multi-Object Clusters",
  booktitle =    "Proceedings of InfoVis '05",
  pages = 	 "141--148",
  year = 	 "2005",
}