1. Localization of knowledge and the mobility of engineers in regional networks;Almeida;Manage. Sci.,1999
2. Living in the global;Armin,1994
3. Economic Welfare and the Allocation of Resources for Invention;Arrow,1962
4. The rise of the cluster concept in regional analysis and policy. A critical assessment;Asheim,2006
5. The geography of innovation: regional innovation systems;Asheim,2005