1. R&D spillovers and recipient firm size;Acs;Rev. Econ. Stat.,1994
2. Industrial districts as ‘learning regions’: a condition for prosperity;Asheim;Eur. Plan. Stud.,1996
3. Aydalot, P., (ed) (1986). “Milieux innovateur en Europe”, Paris (FR): Groupe de Recherche European sur les Milieux Innovateurs (GREMI).
4. Bagnasco, A. (1977). “Tre Italie, la problematica territoriale dello sviluppo italiano”, Bologna (IT): Il Mulino.
5. Information technology, incentives, and the optimal number of suppliers;Bakos;J. Manag. Inf. Syst.,1993