城市创新跨边界合作与辐射距离探析——基于城市间合作申请专利数据的研究
牛欣, 陈向东
The Cooperation Innovation Across City Boundary and Radiation Distance——Based on the Cross-city Cooperation-patent Application Data
Xin NIU, Xiang-dong CHEN
地理科学
.
2013, (6): 659
-667
.
DOI: 10.13249/j.cnki.sgs.2013.06.659