1. AASHTO/ITE/NEMA, 1999. Transit Communications Interface Profiles (TCIP) Framework Document (NTCIP 1400). Draft 97.01.02, Institute of Transportation Engineers
2. Optimal Filtering;Anderson,1979
3. London transport’s countdown system––a leader in the bus transport revolution;Balogh,1993
4. The marginal likelihood for parameters in a discrete Gauss–Markov process;Bell;IEEE Transactions on Signal Processing,2000
5. Interactive trip planning in a computerized transit information system;Carlson;Bulletin of the Operations Research Society of America,1974