Research Policy
Research Policy > 1996 > 25 > 1 > 91-106
Research Policy > 1996 > 25 > 1 > 13-23
Research Policy > 1996 > 25 > 1 > 59-89
Research Policy > 1996 > 25 > 1 > 1-12
Research Policy > 1996 > 25 > 1 > 133-162
Research Policy > 1996 > 25 > 1 > 163-179
Research Policy > 1996 > 25 > 1 > 107-131
Research Policy > 1996 > 25 > 1 > 43-57
Research Policy > 1996 > 25 > 1 > 25-41