Research Policy
Research Policy > 1996 > 25 > 3 > 379-395
Research Policy > 1996 > 25 > 3 > 403-413
Research Policy > 1996 > 25 > 3 > 431-450
Research Policy > 1996 > 25 > 3 > 397-401
Research Policy > 1996 > 25 > 4 > 491-507
Research Policy > 1996 > 25 > 4 > 549-571
Research Policy > 1996 > 25 > 4 > 607-632
Research Policy > 1996 > 25 > 4 > 573-585
Research Policy > 1996 > 25 > 4 > 587-606
Research Policy > 1996 > 25 > 4 > 633-645
Research Policy > 1996 > 25 > 4 > 647-663
Research Policy > 1996 > 25 > 4 > 509-529
Research Policy > 1996 > 25 > 4 > 531-547