1. Dillon, T.S., Zhuge, H., Wu, C., Singh, J., Chang, E.: Web-of-things framework for cyber–physical systems. Concurrency and Computation: Practice and Experience 23(9), 905–923 (2011)
2. President’s Council of Advisors on Science and Technology (PCAST), Leadership under challenge: Information technology r&d in a competitive world (August 2007),
http://www.nitrd.gov/pcast/reports/PCAST-NIT-FINAL.pdf
3. National Science Foundation, Cyber-physical systems (CPS) workshop series,
http://varma.ece.cmu.edu/Summit/Workshops.html
4. National Science Foundation, Cyber-physical systems summit report, Missouri, USA (April 24-25, 2008),
http://precise.seas.upenn.edu/events/iccps11/_doc/CPS_Summit_Report.pdf
5. Lee, E.: Cyber physical systems: Design challenges. In: IEEE Object Oriented Real-Time Distributed Computing, pp. 363–369 (2008)