1. Starkey Project. [Online]. Available: http://www.fs.fed.us/pnw/ starkey.
2. D. R. Brillinger, H. K. Preisler, A. A. Ager, and J. G. Kie, "The use of potential functions in modelling animal movement," in Data Analysis from Statistical Foundations, A. K. M. E. Saleh, Ed. Huntington, NY: Nova, pp. 369-386. [Online], Available: http://www.stat.berkeley.edu/ ~brill/Papers/fraser8.pdf, (2001 a).
3. D. R. Brillinger, H. K. Preisler, A. A. Ager, J. Kie, and B. S. Stewart, Modelling Movements of Free-ranging Animals, Univ. California Berkeley Statistics, Tech. Rep. 610. [Online]. Available: http://www.stat.berkeley.edU/~brill/Preprints/610.pdf, (2001 b).
4. D. R. Brillinger, "A potential function approach to the flow of play in soccer," J. Quant. Anal. Sports vol. 3, no. 1, 2007. [Online], Available:
5. http://www.stat.berkeley.edu/~brill/Papers/jqas.pdf.