共 46 条
[1]
Artis M., 2001, EC EUROPEAN UNOIN PO
[2]
Barajas A., 2011, J TECHNOLOGY TRANSFE, P1, DOI DOI 10.1007/S10961-011-9222-Y
[5]
Branstetter L., 1998, J IND ECON, V46, P33
[10]
Cincera M., 2003, Cah Econ Brux, V46, P107