Media type: E-Article Title: The knowledge bases of the world’s largest pharmaceutical groups: what do patent citations to non-patent literature reveal? Contributor: Brusoni, Stefano; Criscuolo, Paola; Geuna, Aldo Published: Informa UK Limited, 2005 Published in: Economics of Innovation and New Technology, 14 (2005) 5, Seite 395-415 Language: English DOI: 10.1080/1043859042000307356 ISSN: 1043-8599; 1476-8364 Keywords: Management of Technology and Innovation ; General Economics, Econometrics and Finance Origination: Footnote: