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An emerging paradigm or just another trajectory? Understanding the nature of technological changes using engineering heuristics in the telecommunications switching industry[J] . Arianna Martinelli.Research Policy . 2011 (2)
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Mapping the importance of the real world: The validity of connectivity analysis of patent citations networks[J] . David Barberá-Tomás,Fernando Jiménez-Sáez,Itziar Castelló-Molina.Research Policy . 2010 (3)