2Rong shi, Kurt Maly and Mohammad Zubair. Interoperable Ferdrated Digital Library Using XML and LDAP. Global Digital Library Development in the New Millennium, Tsinghua University Press, July 2002,277- 286
3C. Lagoze and H. Van de Sompel. The Open Archives Initiative:Building a low - barrier interoperability framework. In Proceedings of the ACM/IEEE Joint Conference on Digital Library, page 54-62, Roanoke VA, 2001
5H. Van de Sompel and C. Lagoze. Notes from the interoperability front: A progress report on the Open Archives Initiative. In proceedings of 6th European Conference on Research and Advanced Technology for Digital Libraries, page 144-157,Rome, 2002
6H. Van de Sompel and C. Lagoze. The Open Archives Initiative Protocol for Metadata Harvesting, version 2. 0. http://www.openarchives. org/OAI/openarchivesprotocol. html (Accessed Oct. 20, 2003)
7Xiaoming Liu, Tim Brody and Stevan Harnad. A Scalable Architecture for Harvest- Based Digital Libraries. http://www.dlib. org/dlib/november02/liu/11liu. html (Accessed Nov. 1,2003)