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.
Dyfyniad Arddull ChicagoMowery, David C., and 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.
Dyfyniad MLAMowery, David C., and 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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.