共 89 条
[3]
[Anonymous], 2006, METTLER TOLEDO COLLE, V1, P111
[4]
[Anonymous], 2008, Science and Engineering Indicators 2008, V2
[5]
[Anonymous], 1994, Nature
[7]
Audretsch DB, 2005, RES POLICY, V34, P1113, DOI 10.1016/j.respol.2005.05.009
[8]
Audretsch DB, 1996, AM ECON REV, V86, P641

