共 39 条
[33]
Schartinger D, 2001, J TECHNOLOGY TRANSFE, V26, P255, DOI [DOI 10.1023/A:1011110207885, 10.1023/A]
[35]
Spence A. M, 1974, MARKET SIGNALLING IN
[37]
STEPHAN PA, 2004, WORKSH EMP EC AN AC
[39]
Swann G. M. P., 2002, INNOVATIVE BUSINESS