1. Airport Surface Detection Equipment Model X (ASDE-X), http://www.sensis.com/docs/128
2. Weber ME, Stone ML: Low altitude wind shear detection using airport surveillance radars. IEEE Aerospace and Electronic Systems Magazine 1995,10(6):3-9. 10.1109/62.387970
3. Pozzobon A, Sciutto G, Recagno V: Security in ports: the user requirements for surveillance system. In Advanced Video-Based Surveillance Systems. Edited by: Regazzoni CS, Fabri G, Vernazza G. Kluwer Academic, Boston, Mass, USA; 1998.
4. Avis P: Surveillance and Canadian maritime domestic security. Canadian Military Journal 2003,4(1):9-15.
5. Lo BPL, Sun J, Velastin SA: Fusing visual and audio information in a distributed intelligent surveillance system for public transport systems. Acta Automatica Sinica 2003,29(3):393-407.