Andrea Unger and Philipp Muigg and Helmut Doleisch and Heidrun Schumann.
Visualizing Statistical Properties of Smoothly Brushed Data Subsets.
In 12th International Conference on Information Visualization, pp. 233-239, 2008.

Bibtex:

@InProceedings{  unger:2008:VSPS,
  author = 	 "Andrea Unger and Philipp Muigg and Helmut Doleisch
                  and Heidrun Schumann",
  title = 	 "Visualizing Statistical Properties of Smoothly
                  Brushed Data Subsets",
  booktitle =    "12th International Conference on Information
                  Visualization",
  pages = 	 "233-239",
  year = 	 "2008",
}