1. Northrop L, Feiler P, Gabriel R, et al. Ultra-Large- Scale Systems: the Software Challenge of the Future. Carnegie Mellon University Technical Report. 2006
2. Maier M W. Architecting principles for systems-ofsystems. Syst Eng, 1998; 1: 267–284
3. Lee E A. Cyber-physical systems-are computing foundations adequate. In: Proceedings of NSF Workshop on Cyber-Physical Systems: Research Motivation, Techniques and Roadmap, Austin, 2006. 1–9
4. Naur P, Randell B. Software Engineering: Report of a Conference Sponsored by the NATO Science Committee. NATO Technical Report. 1969
5. Boehm B. A view of 20th and 21st century software engineering. In: Proceedings of International Conference on Software Engineering, Shanghai, 2006. 12–29