5Dagobert Soergel. A Framework for Digital Library Research. D-Lib Magazine. December 2002. http://www.dlib. org/dlib/decemberO2/soergel/12soergel.html.
6Alexa T. McCray, Marie E. Gallagher. Principles for Digital Library Development. Communications of the ACM, May2001:49-54.
7Rothenberg, J. Avoiding Technological Quicksand : Finding a Viable Technical Foundation for Digital Presercation. Rep.To Council on Library and Information Resources,Jan. 1999.
8Kenney, A. and Rieger, O. Moving Theory into Practice:Digital Imaging for Libraries and Archives. Research Libraries Group, Mountain View, CA, 2000.
9Waters,D. The Digital Library Federation:Program Agenda. A program of the Council on Library and Information Resources,June 1998.
10Kahle,B. Preserving the Internet. Sci. Am,. Mar. 1997.
