1. Ahuja, R.K., Magnanti, T.L. and Orlin, J.B. (1993), ?Network Flows?, Prentice Hall.
2. Bar-Shalom, Y. and Fortman, Th.E. (1988), ?Tracking and Data Association?, Mathematics in Science and Engineering, Academic Press.
3. Berkelaar, M.R.C.M., LP_SOLVE 2.0, Eindhoven University of Technology, Eindhoven, The Netherlands, Package available via anonymous ftp at ftp.es.ele.tue.nl/pub/lp_solve/.
4. Blackman, S.S. (1986), ?Multiple-Target Tracking with Radar Applications?, Artech House.
5. ALEPH Note, 94-152;A. Bonissent,1994