1. F. Boukamp, Modeling of and Reasoning about Construction Specifications to support Automated Defect Detection, Ph.D. Thesis, Department of Civil and Environmental Engineering, Carnegie Mellon University, 2006.
2. ASDMCon, Advanced Sensor-Based Defect Management at Construction Sites — Early Defect Detection and management at Construction Sites, http://www.ce.cmu.edu/~itr/ (last accessed: September 2006).
3. CYRA Technologies, Inc., Case Studies, http://www.cyra.com/case_studies/case_studies.html (last accessed: July 2005).
4. 3D laser scanner provides benefits for PennDOT bridge and rockface surveys;Foltz;Professional Surveyor,2000
5. D. Sackin, A Study of the Embedded Microdevices for Infrastructure Monitoring, MS Thesis, Carnegie Mellon University, 1999.