1. Boydell L, Hoggett P, Rugkåsa J, Cummins AM (2008) Intersectoral partnerships, the knowledge economy and intangible assets. Policy Politics 36(2):209–224
2. Brochier F,Giupponi C, Sors J (2001) Integrated coastal zone management in the Venice area, potentials of the integrated participatory management approach. FEEM Venice. The Fondazione Eni Enrico Mattei, Note di Lavoro Series, 099.
http://www.feem.it/getpage.aspx?id=935&sez=Publications&padre=73
. Last accessed: 04/05/2014
3. Brundtland GH, WCED (1987) Our common future. World commission on environment and development. Oxford University Press, Oxford, New York, 383p
4. Commission of European Communities, Green paper (2001) Promoting a European framework for corporate social responsibility. /COM/2001/0366 final/,
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=COM:2001:0366:FIN:en:PDF
. Last accessed 04/05/2014
5. Costanza R, D’arge R, De Groot R, Farber S, Grasso M, Hannon B, Limburg K, Naeem S, O’Neill RV, Paruelo J, Raskin RG, Sutton P, Van Den Belt M (1997) The value of the world’s ecosystem services and natural capital. Nature 387(6630):253–260