• KLTOOL: A tool to analyze spatiotemporal complexity
  D. Armbruster, R. Heiland, E. J. Kostelich
  Chaos 4(2) 1994

• KLTOOL: A Mathematical Tool for Analyzing Spatiotemporal Data
  R. Heiland, Master's Thesis, Arizona State University, December 1992.

• Towards Analyzing the Dynamics of Flames
  D. Armbruster, E. Stone, R. Heiland
  Fields Institute Communication 5, 1995.

Revised January 20, 1999