1. J. Minnick. 3D Printing As A Service Has Big Potential For Manufacturing. 2014; Available from: www.manufacturing.net/blogs/2014/04/3d-printing-as-a-service-has-big-potential-for-manufacturing.
2. S. Neil. Manufacturing-as-a-Service: Are We There Yet? Almost. 2013; Available from: http://www.apriso.com/blog/2013/06/manufacturing-as-a-service-are-we-there-yet-almost/.
3. K.-D. Kim and P.R. Kumar, Cyber–physical systems: A perspective at the centennial. Proceedings of the IEEE. 100(Special Centennial Issue), (2012) 1287-1308.
4. Cyber-physical systems;Baheti;The impact of control technology,2011
5. Anticipatory systems: philosophical;Nickerson;mathematical, and methodological foundations. International Journal of General Systems,2012