共 16 条
[1]
http://www.sipo.gov.cn/zhfwpt/zlsqzn/zlsqspcxjs/ .
[2]
Patent Citation Indexing and the Notions of Novelty, Similarity, and Relevance. Eugene. Garfield. J. Chem. Doc . 1966
[4]
Private value of European patents[J] . Yi Deng.  European Economic Review . 2006 (7)
[6]
专利质量指标研究[D]. 万小丽.华中科技大学 2009