共 8 条
[2]
Network embeddedness and the exploration of novel technologies: Technological distance, betweenness centrality and density[J] . Victor Gilsing,Bart Nooteboom,Wim Vanhaverbeke,Geert Duysters,Ad van den Oord.Research Policy . 2008 (10)
[3]
Mapping evolutionary trajectories: Applications to the growth and transformation of medical knowledge[J] . A. Mina,R. Ramlogan,G. Tampubolon,J.S. Metcalfe.Research Policy . 2007 (5)
[4]
Inventors and invention processes in Europe: Results from the PatVal-EU survey[J] . Research Policy . 2007 (8)
[5]
Patent citation network in nanotechnology (1976–2004)[J] . Xin Li,Hsinchun Chen,Zan Huang,Mihail C. Roco.Journal of Nanoparticle Research . 2007 (3)
[7]
Knowledge Spillovers in Europe: A Patent Citations Analysis[J] . Per BotolfMaurseth,BartVerspagen.Scandinavian Journal of Economics . 2002 (4)