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Technological change and the evolution of corporate innovation : the structure of patenting 1890 - 1990
Andersen, Birgitte, (2001)
A statistical analysis of trends from a century's technological evolution (1890 - 1990)
Andersen, Birgitte, (1996)
Stability in national patterns of technological specialisation : some historical evidence from patent data
Vertova, Giovanna, (1999)
The hunt for S-shaped growth paths in technological innovation : a patent study
Andersen, Birgitte, (1999)
The rationales for intellectual property rights in the electronic age
Andersen, Birgitte, (2003)