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Stability in national patterns of technological specialisation : some historical evidence from patent data
Vertova, Giovanna - In: Economics of innovation and new technology 8 (1999) 4, pp. 331-354
Persistent link: https://www.econbiz.de/10001425384
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A historical investigation of the geography of innovative activities
Vertova, Giovanna - In: Structural change and economic dynamics : SC+ED 13 (2002) 3, pp. 259-283
Persistent link: https://www.econbiz.de/10001705279