Mowery, D. C., & Ziedonis, A. A. (2001). The geographic reach of market and non-market channels of technology transfer: Comparing citations and licenses of university patents. National Bureau of Economic Research.
Lua i Stíl Chicago (17ú heag.)Mowery, David C., agus Arvids A. Ziedonis. The Geographic Reach of Market and Non-market Channels of Technology Transfer: Comparing Citations and Licenses of University Patents. Cambridge, Mass: National Bureau of Economic Research, 2001.
Lua MLA (9ú heag.)Mowery, David C., agus Arvids A. Ziedonis. The Geographic Reach of Market and Non-market Channels of Technology Transfer: Comparing Citations and Licenses of University Patents. National Bureau of Economic Research, 2001.
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