The Increasing Importance of Geographical Proximity in Knowledge Production: An Analysis of US Patent Citations, 1975-1997 (2008)
Attributed to:
Spatial Economics Research Centre
funded by
ESRC
Abstract
No abstract provided
Bibliographic Information
Digital Object Identifier: http://dx.doi.org/10.1068/a3930
Publication URI: http://dx.doi.org/10.1068/a3930
Type: Journal Article/Review
Parent Publication: Environment and Planning A: Economy and Space
Issue: 5