<?xml version="1.0" encoding="UTF-8" ?>
<referencetext xmlns="http://eprints.org/ep2/data/2.0">Berger, Christopher (1996). Reference service: a thing of the past?. The Reference Librarian, No. 54, pp. 115-123. (Section 3: Future roles and responsibilities of reference librarians).
Bopp, RichardE. &amp; Smith, Linda C. (1995). Reference and information services: an introduction. 2nd. Ed. Englewood, CO : Libraries Unlimited.
Campbell, Jerry D. (1993). In search of new foundations for reference. En: Rethinking reference in academic libraries: Proceedings and Process of Library Solutions Institute No.2, University of California, Berkeley, March 12-14, 1993.
Ed. Anne G. Lipow. Berkeley, CA: Library Solutions. pp,.3-15. 
Markidian, Jackie &amp; Kesselman, M. (1995). Beyond the desk: enhanced reference staffing for the electronic library. Reference Services Review, Spring 1995, pp. 21-28.
Rettig, James (1995) . The convergence of the Twain or Titanic collision? BI and reference in the 1990´s sea of change. Reference Services Review, Spring 1995, pp. 7-21.
Rettig, James (1996). Future reference—"Sired by a Hurricane, Dam´d by an earthquake"- The Reference Librarian, No. 54, pp. 75-94. (Section 3: Future roles and responsibilities of reference librarians).
Ryan, Sara (1996). Reference service for the Internet Community: a case study of the Internet Public Library Reference Division. Library and Information Science Research, 18, pp. 241-259.</referencetext>
