1. Jang I Choi W Lim H A forwarding protocol with relay acknowledgement for vehicular ad hoc networks IEEE LCN 2008 553 554
2. eSafety Initiative http://ec.europa.eu/information_society/activities/esafety/index_en.htm
3. CVIS: Cooperative Vehicle-Infrastructure Systems http://www.cvisproject.org/
4. NOW: Network on Wheels http://www.network-on-wheels.de/
5. Intelligent Vehicle Initiative http://www.its.dot.gov/ivi/ivi.htm