4Hitchcock, S and et al. Citation Linking: Improving Access to Online Journals Proceedings of the 2nd ACM International Conference on Digital Libraries, edited by Robert B. Allen and Edie Rasmussen, 1997(New York, USA: Association for Computing Machinery) http://journals, ecs. soton, ac. uk/acmd197, htm ( Accessed Sept. 20, 2004 ).
5Van De Sompel. H. and P. Hochstenbach. 1999. Reference Linkingin a Hybrid Library Environment. Part 1 : framework for linking D -Lib Magazine 5 ( 4 ). http ://www. dlib. org/dlib/april99/van_desompel/04van_de sompel - ptl. html ( Accessed Sept. 20, 2004).
6Caplan, P. Report on the NISO/NFAIS Workshop: Electronic Journals -- Best Practices. February, 20, 2000. Philadelphia, PA. http://www, niso. org/news/events_workshops/e -jrnl -report. html( Accessed Sept. 28, 2004).
7Needleman M. 1999. Meeting Report of the NISO Linking Workshop. http ://www. niso. org/news/events_workshops/linkrpt, html (Accessed Oct. 20, 2004).
8Hitchcock, S. and et al. 1998. Linking electronic journals: Lessons from the Open Journal project. D - Lib Magazine. http ://www. dhb.org/dlib/december98/12hitchcock, html ( Accessed Nov. 10, 2004 ).
9Bush, V. 1945. The Adantic Monthly http ://www. theatlantic, com/unbound/flashbks/computer/bushf, htm( Accessed Sept. 20, 2004).
10Hunter, Karen. 1998. Adding Value by Adding Links. The Journal of Electronic Publishing 3 ( 3 ). http://www, press, umich, edu/jep/03 - 03/hunter. html (Accessed Dec. 1, 2004).