The knowledge bases of the world's largest pharmaceutical groups: what do patent citations to non-patent literature reveal?

Author： Brusoni Stefano   Criscuolo Paola   Geuna Aldo  

Publisher： Routledge Ltd

ISSN： 1043-8599

Source： Economics of Innovation and New Technology, Vol.14, Iss.5, 2005-07, pp. : 395-415

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