共 35 条
[2]
Agrawal A, 2013, 19679 NBER
[3]
Anand BN, 2000, STRATEGIC MANAGE J, V21, P295, DOI 10.1002/(SICI)1097-0266(200003)21:3<295::AID-SMJ91>3.0.CO
[4]
2-O
[5]
[Anonymous], C EC TECHN POL MONT
[6]
[Anonymous], 1962, RATE DIRECTION INVEN
[10]
Berneman L, 2009, US CANADIAN LICENSIN