D-Lib Magazine
Vol. 11 No. 4, April 2005
http://www.dlib.org/dlib/april05/04contents.html
ARTICLES
Social Bookmarking Tools (I): A General Overview
by Tony Hammond, Timo Hannay, Ben Lund and Joanna Scott
Social Bookmarking Tools (II): A Case Study – Connotea
by Ben Lund, Tony Hammond and Timo Hannay
Initial Experiences in Developing a Chronologically Organized Digital Library for Continuing Education in Biodefense
by Donna M. D’Alessandro, MD and Michael P. D’Alessandro, MD
Survey of the Providers of Electronic Publications Holding Contracts with Spanish University Libraries
by Blanca Rodriguez Bravo and Maria Luisa Alvite Diez