1Thelwall,M.Results from a Web Impact Factor Crawler[J].Journal of Documentation,2001,57(2):177-191.
2P. Ingwemen. The calculation of web impact faints [ J].Journal of Documentation, 1998, 54 (2): 236-243.
3Thelwall, M. Web impact factors and search engine coverage[J]. Journal of Documentation, 2000, 56 (2): 185 - 189.
4SmithA. G. A tale of two web spaces : comparing sites using web impact factors[J]. Joumal of Documentation, 1999,55 (5) : 577 - 592.
5Smith, A. and Thelwall M. Web impact factors and university research links. Proceedings of the 8th International Conference on Scientometrics & Infometrics [ C]. Australia,2001. 16- 20.
6Thomas,O. and Willett P. Webometric analysis of departmerits of librarianship and information science [J]. Journal of Information Science, 2000, 26 (6): 421-428.
7http://www.sowang.com/yyy1.htm.
8Lawrence S,Giles C L.Accessibility of Information on the Wwb[J].Nature,1999,(40):107-109.
9Rousseau R.Daily Time Series of Common Single Word Searches in Alta Vlta Vista and Northemlight[J].Cybermetrics,1999,2(3):105-110.
10Almind,T.C.and Ingwersen,P.Informetric analyses on the World Wide Web:methodological approaches to "Webometrics"[J].Journal of Documentation,1997,53(4):404-426.