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显示各学科论文的分布,引文轨迹,重心漂移等信息的新方法:Dual-Map Overlays
Chaomei Chen, Loet Leydesdorff (2013) Patterns of connections and movements in dual-map overlays: A new method of publication portfolio analysis. Journal of the American Society for Information Science and Technology. DOI: 10.1002/asi.22968
http://onlinelibrary.wiley.com/doi/10.1002/asi.22968/abstract
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