共 47 条
[1]
Acs Zoltan.J., 2002, INNOVATION GROWTH CI
[3]
[Anonymous], WORLD EC OUTL DAT AP
[4]
Asheim B., 2006, J TECHNOL TRANSFER, V1, P163, DOI DOI 10.1007/S10961-005-5028-0
[5]
Audretsch D. B., 2004, HDB REGIONAL URBAN E, P2713
[8]
Blomgren A., 2007, 32 IRIS