1. Healthy, wealthy and wise? Tests for direct causal path between health and socioeconomic status;Adams;Journal of Econometrics,2003
2. Alexiadis, V., Gettman, D., and Hranac, R. 2004. NGSIM Task D: Identification and Prioritization of Core Algorithm Categories, Federal Highway Administration, FHWA-HOP-06-008.
3. Aptech Systems, 2003. GAUSS Manual, Volume I and II, Maple Valley, WA.
4. Optimal control of Markov decision processes with incomplete state estimation;Astrom;Journal of Mathematical Analysis and Applications,1965
5. Baker, J. K., 1975. The dragon system-An overview, IEEE Trans, Acoustic, Speech and Signal Processing, ASSP-23-1, 24-29.