1. A new rechargeable intelligent vehicle detection sensor;Lin;Journal of Physics: Conference Series,2005
2. Traffic Detector Handbook;Klein,2006
3. Sensor Technologies and Data Requirements for ITS;Klein,2001
4. Office of Transportation Management, Freeway Management and Operations Handbook, U.S. Department of Transportation, Federal Highway Administration, FHWA Report #: FHWA-OP-04-003, 2003.
5. Embedded piezoresistive cement-based stress/strain sensor;Han;Sensors and Actuators: A Physical,2007