%0 Book Section
%A Pammolli, Fabio
%A Orsenigo, Luigi
%A Riccaboni, Massimo
%B Antonio Nicita and Ugo Pagano (eds). The Evolution of Economic Diversity
%C London
%D 2001
%E Nicita, Antonio
%E Pagano, Ugo
%F eprints:656
%I Routledge
%P 216-239
%S Routledge Siena studies in political economy
%T Variety and Irreversibility in Scientific and Technological Systems: the Evolution of an Industry Network
%U http://eprints.imtlucca.it/656/
%V 2