1. Ground Sensorshttp://www.cmc-amman.gov.jo
2. Improved Remotely Monitored Battlefield Sensor Systemhttp://www2.l-3com.com/cs-east/sensor/index.htm
3. Shooter Localization in Urban Terrain;Maroti;Computer,2004
4. Sensor Node Platformshttp://nesl.ee.ucla.edu/projects/ibadge/default.htm
5. Micro-Adaptive Muti-domain Power-aware Sensorshttp://www-mtl.mit.edu/researchgroups/icsystems/uamps/