relation: http://eprints.imtlucca.it/656/ title: Variety and Irreversibility in Scientific and Technological Systems: the Evolution of an Industry Network creator: Pammolli, Fabio creator: Orsenigo, Luigi creator: Riccaboni, Massimo subject: HB Economic Theory subject: HD Industries. Land use. Labor publisher: Routledge contributor: Nicita, Antonio contributor: Pagano, Ugo date: 2001 type: Book Section type: PeerReviewed identifier: Pammolli, Fabio and Orsenigo, Luigi and Riccaboni, Massimo Variety and Irreversibility in Scientific and Technological Systems: the Evolution of an Industry Network. In: Antonio Nicita and Ugo Pagano (eds). The Evolution of Economic Diversity. Routledge Siena studies in political economy, 2 . Routledge, London, pp. 216-239. ISBN 978-0415221924 (2001)