Peter Johnson. Human computer interaction laboratory Queen Mary and Westfield College University of London. In Scott P. Robertson, Gary M. Olson, Judith S. Olson, editors, Conference on Human Factors in Computing Systems, CHI 1991, New Orleans, LA, USA, April 27 - May 2, 1991, Proceedings. pages 475-476, ACM, 1991. [doi]
Abstract is missing.