共 26 条
[11]
Clusters of firms in an inhomogeneous space: The high-tech industries in Milan[J] . G. Arbia,G. Espa,D. Giuliani,A. Mazzitelli.Economic Modelling . 2011 (1)
[12]
Location of innovating activities, industrial structure and techno–industrial clusters in the French economy, 1985–1990. Evidence from US patenting[J] . Sophie Bergeron,Stéphane Lallich,Christian Le Bas.Research Policy . 1998 (7)