1. Agre, P., and Chapman, D. 1987. Pengi: an implementation of a theory of activity,AAAI, pp. 268?272.
2. Allen, P. 1989. Real-time motion tracking using spatio-temporal filters,Proc. DARPA Image Understanding Workshop, Palo Alto, CA.
3. Bar-Shalom, Y., and Fortmann, T. 1988.Tracking and Data Association, Academic Press: San Diego, CA.
4. Bogert, B., Healy, M., and Tukey, J. 1963. The quefrency analysis of time series for echoes: Cepstrum, pseudo-autocovariance, cross-cepstrum, and saphe cracking. In M. Rosenblatt, ed.,Proc. Symp. Time Series Analysis, Wiley: New York, pp. 209?243.
5. Brown, C. 1990. Prediction and cooperation in gaze control,Biological Cybernetics, vol. 63, pp. 61?70.