The changing composition of innovative activity in the US — a portrait based on patent analysis
- 30 April 2001
- journal article
- Published by Elsevier BV in Research Policy
- Vol. 30 (4), 681-703
- https://doi.org/10.1016/s0048-7333(00)00147-5
Abstract
No abstract availableThis publication has 11 references indexed in Scilit:
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