3Stephen Rhind-Tutt.Pricing models for electronic products-as tangled as ever[2010-04-10].http://www. alexanderstreetpress.com/arueles/0211.pricingmodels.html.
1[1]Rhind-Tutt S.What a tangled web we weave:a review of pricing models and the forces that drive them.Against the Grain,1998,10(1).http://www.alexanderst.com/article02.htm
2Baker, A. IFLA Presentation: Consortia Economic Models for Licensing. http://www.nelinetnet/conf/special/ifla/baker.ppt.
3Kohl, David F. Future Growth, Future Strength: the Library-consortia Partnership. http://www.nelinemet/con f/special/ifla/kohl.ppt.
4ICOLC. Statement of Current Perspective and preferred Practices for the selection and Purchase of Electronic Infomrmtion: Update no.1:New Development in E-journal Lieensing. http://www.library.yale.edu/consortia/2001currentpractices.htm.
5Hirshon, Arnold. Collection Management of Electronic Resources in a Consortia Environment. http://www.las.ac.cn/ISCMER/ISCMERBeijing/cn/data/Amold/hirshonoverview-distrib.ppt.
6Zhang Xiaolin. User-based Requirements for Electronic Resources Acquisition. Presentation at Journal Publishin gConference. Beijing: Library of the Chinese Academy of Science, Sept. 19,2003.