Deborah Silver and Xin Wang.
Tracking Scalar Features in Unstructured Datasets.
In Proceedings of the conference on Visualization '98, pp. 79--86, 1998.

Bibtex:

@InProceedings{  silver:1998:TSFU,
  author = 	 {Deborah Silver and Xin Wang},
  title = 	 {Tracking Scalar Features in Unstructured Datasets},
  booktitle =    {Proceedings of the conference on Visualization '98},
  pages = 	 {79--86},
  year = 	 {1998},
}