Localized Knowledge Spillovers and Patent Citations: A Distance-Based Approach
Localized Knowledge Spillovers and Patent Citations: A Distance-Based Approach
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本地化知识溢出和专利引用:基于距离的方法
DOI:
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发表时间:
2014
影响因子:
8
通讯作者:
Ryuichi Tamura
中科院分区:
文献类型:
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作者:
Yasusada Murata;Ryo Nakajima;Ryosuke Okamoto;Ryuichi Tamura