2[1]Lancaster, F. W. Threat or opportunity? The Future of Library Services in the Light of Technological Innovations. In: Rev. Esp. Doc. Ciet., 15~3,1992: 267~279
3[2]Peaniman, W. D. Shaping the Future for Libraries Through Leadership and Research. In: Libraries and the Future: Essays ca the Library in the Twenty-first Century, ed. by F.W. Lancaster. New York: Haworth Press, 1993
4[3]SPARC:http://www. arl.org/sparc/index.html
5[4]Brook, Joseph Brian, et al. The Changing Nature of Collection Management in Research Libraries: a Discussion Paper for the APL Research Committee. Unpublished Manuscript, 1999