1. Boundary spanning roles and organizational structure;Aldrich;Academy of Management Review,1977
2. Entrepreneurship through social networks;Aldrich,1986
3. The impact of social networks on business foundings and profit;Aldrich,1987
4. Exchange and Power in Social Life;Blau,1964
5. L'Orientamento Sirategico di Fondo Delle Imprese;Coda,1988