2007-01-252007-01-2520052007-01-25http://hdl.handle.net/2263/1442Presentation delivered at an information session of the information specialists, Academic Information Service, University of Pretoria, 8 November 20052322214 bytesapplication/pdfenCopyright ©University of Pretoria. Provided for educational purposes only. It may not be downloaded, reproduced, or distributed in any format without written permission of the copyright owner.e-BooksElectronic booksPresentation