So sorry, Steve (and List)! I should have tested the link to the Wallace PROFS case email study and, come to think of it, used Shrinkster. Try http://www.ercim.org/publication/ws-proceedings/DELOS6/wallace.pdf 0r http://shrinkster.com/ctn Take care, Maarja List archives at http://lists.ufl.edu/archives/recmgmt-l.html Contact [log in to unmask] for assistance