1. Ascani , A. , R. Crescenzi , and S. Iammarino . 2012 . “ Regional Economic Development: A Review .” SEARCH Working Paper 1/03, London, Department of Geography and Environment, London School of Economics. http://www.ub.edu/searchproject/wp-content/uploads/2012/02/WP-1.3.pdf .
2. Barca , F. 2009 . An Agenda for a Reformed Cohesion Policy: A Place Based Approach to Meeting European Union Challenges and Expectations , Brussels : DG Regio . http://ec.europa.eu/regional_policy/archive/policy/future/pdf/report_barca_v0306.pdf .