1Tung, Frank. "IBM Digital Library" Leeture, 1997. 11.
2Saffady, William. "Digital Library Concepts and Technologies for Management of Library Collections: An Analysis of Methods and Costs". Library Technology Report 31 (May-June, 1995). P. 221.
5Library of Congress. USMARC Format for Bibliographic Data, 1997. 7 Younger, Jennifer A. "Resource Deseription in the Digital Age", Library Trend, Vol. 45/3, p. 462-481.
6C. Haythomthwaite. Social Network Analysis : A Approach and Technique for the Study of Ioformation Exchange. Library and Information Science Research. 1996.