1Chen Chaomei.Searching for intellectual turning points: progressive knowledge domain visualization. Proceedings of the National Academy of Sciences of the United States of America . 2004
2Horm E,etc.Copyright issues in open access research jour nals. http://www.dlih-org/dlib/february06/vandergraaf/02vandergraaf.html .
7Chen C. CiteSpace Ⅱ: Detecting and Visuahzing Emerging Trends and Transient Patterns in Scientific Literature [J]. J Am Soc Inform Sci (ISSN: 1532-2882), 2006,(3): 359-377.
8White H D, Griffith B C. Author co-citation: A literature measure of intellectual structure [J]. Journal of the American Soci- ety for Information Science, 1981, 32 (3): 163 - 172.
9Henry S. co-citation in the scientific literature: A new measure of the relationship between two documents [J]. Journal of the American Society for Information Science, 1973, 24 (4): 265 - 269.
10Liu Zcyuan. On Scientometrics - Based Institutional Science Studies. Second Berlin Workshop on Scientometrics and Informetrics: Collaboration in Science and in Technology and The First COLLNET Meeting (1 -4. September 2000, at the Free University Berlin, Germany).
