Jim Whitehead, Paul De Bra, Kaj Grønbæk, Deena Larsen, John J. Leggett, Monica M. C. Schraefel. Seven Issues, Revisited. In HYPERTEXT 2002, Proceedings of the 13th ACM Conference on Hypertext and Hypermedia, June 11-15, 2002, University of Maryland, College Park, MD, USA. pages 171, ACM, 2002. [doi]
Abstract is missing.