1. Clusters and the New Economics of Competition;Porter,1998
2. Marshall, A., Principles of economics (1890).
3. Pôle de compétitivité : “ For a given territory, the association of companies, research centres and educational organisations, engaged in a process of partnership, designed to generate synergy on basis of innovative projects undertaken jointly and targeting one or several markets”
4. Theory of Prism–Film Coupler and Thin-Film Light Guides
5. m-lines technique: prism coupling measurement and discussion of accuracy for homogeneous waveguides