2Borgman, C, L. From Gutenberg to the global information infrastructure: access to information in the networked world. Digital libraries and electronic publishing. 2000, Cambridge, Mass. :MIT Press.
3http ://www. cise. nsf. gov/sci/reports/toc.cfm.
4http://www.ils. unc. edu/ils.
5http://www.sis. pitt. edu/ dlwkshop.
6http://alexandria. ucsb. edu.
7http://www.ndhd. org.
8http://www.unesco.org/webworld/etd.
9http://www.nsdl. org.
10Digital Reference Service in the New Millennium:Planning, Management, and Evaluation. Lankes,et. al, 2000.
