@incollection{eprints660,
          author = {Fabio Pammolli and Giulio Bottazzi and Angelo Secchi},
            year = {2006},
           title = {Growth and diversification patterns of the worldwide pharmaceutical industry},
          editor = {Mariana Mazzucato and Giovanni Dosi},
       publisher = {Cambridge University Press},
           pages = {208--233},
       booktitle = {Mariana Mazzucato and Giovanni Dosi (eds.). Knowledge accumulation and industry evolution: the case of Pharma-Biotech},
             url = {http://eprints.imtlucca.it/660/}
}