2Robert Harden. Collecting Internet Resurces: the Issues for UK Public Libraries. URL: http://www.earl. ac. uk/policytaskgroup/ robert.html.
3Stephen E. Toub. Adding Value to Internet Collectons.Library HI TECH,1997(3-4) : 148 - 154.
4Robert D. Cameron. To Link or To Copy? Four Principles for Materials Acquisition in Internet Electronic Libraries. URL: http:// fas. sfu. ca/projects/electroniclibrary/project/papers/e-lib-links. html.
