4Rob Bilderbeek , Pim Den Hertog, Goran Marklund, Ian Miles, Service Innovation : Knowledge Intensive Business Service As Co-producers of Innovation, the result of SI4S synthesis paper 3, 1998.
5Gadrey J, F Gallouj, O Weinstein , New modes of innovation .How services benefit industry, International Journal of Service Industry Managernent, 1995, 6 (3), 4-16.
6Pavitt K. Sectoral patterns of technological change: Towards a taxonomy and a theory, Research Policy, vol 13, 1984, 343-373.
7Barras R. Towards a theory of innovation in services, Research Policy, vol 15, 1986, 161-173.
8Miles, Services in the new industrial economy, in: Futures, 25 (6), 653-672, 1993.
9Normann R, Service management. Strategy and leadership in service business, John Wiley, London, 1991.
10Quinn J B. Intelligent Enterprise: a knowledge and service based paradigm forindustry, NewYork, 1992.