Research Policy
Research Policy > 2006 > 35 > 8 > 1122-1130
Research Policy > 2006 > 35 > 8 > 1131-1146
Research Policy > 2006 > 35 > 8 > 1222-1242
Research Policy > 2006 > 35 > 8 > 1122-1130
Research Policy > 2006 > 35 > 8 > 1131-1146
Research Policy > 2006 > 35 > 8 > 1222-1242