共 9 条
[7]
Spillovers and growth in a local interaction model[J] . Alessandra Cassar,Rosella Nicolini.The Annals of Regional Science . 2008 (2)
[8]
Patent citation network in nanotechnology (1976–2004)[J] . Xin Li,Hsinchun Chen,Zan Huang,Mihail C. Roco.Journal of Nanoparticle Research . 2007 (3)