共 68 条
[12]
Branstetter L., 2003, MEASURING IMPACT ACA
[13]
Capron H., 2000, NATL INNOVATION SYST
[14]
CAPRON H, 2003, BRUSSELS EC REV, V46, P58
[17]
Cassiman B., 2004, COMPLEMENTARITY INNO
[18]
COCKBURN I, 2000, NBER C SCI PUBL POL