17 January 2007 Elsevier's ScienceDirect platform will be unavailable on Saturday, January 20th for approximately 6 hours, starting at 11:30 AM PST due to a scheduled system upgrade. Further information on this upgrade can be found at: http://mail.elsevier-alerts.com/go.asp?/bESI001/q8LB153/xGUPH4 . Please share this information with your colleagues. Jayne Dickson California Digital Library 415 20th Street Oakland, CA 94612-2901 510.987.0550 [log in to unmask]