5Solum, Nils Henrik & Keith Smith. 1998. "Design and innovationin Norwegian industry," Paper Prepared for the Norwegian Design Council.
6Bryson, J. R & P. W. Daniels, G. Rusten. 2005. “Inside the Industrial Design World: Understanding the Relationship Between Industrial Design Expertise, Product Development, and the Manufacturing Process,” Paper Presented at the 2005 Annual American Association of American Geographers Meeting, Denver, Colorado.
7Howells, J & T B. ether. 2004. “Innovation in Services: Issues at Stake and Trends,” Final Report, ESRC, Institute of Innovation Research, University of Manchester, UK.
