1. Butler, S. (1863),Darwin among the Machines, Oxford.
2. Cooper, C. (1997), “Intelligent integration’’,Manufacturing Management, October, http://www.insidecom.co.uk/mm
3. Eaton, L. and Lion, R. (1999), “Standards in objects”,Design Productivity Journal, Vol.1 No. 2, September, pp. 10‐11.
4. Fenwick, J. (1998), “Competitive advantage”,Premises and Facilities Management, January, pp. 23‐5.
5. Fischer, G. (1998), “Smart moves: doing the right thing”,Buildings Magazine, Paper No 347, March. http://www.buildingsmag.com/magazine/mar_1998/article347.asp