Human-computer Interaction--INTERACT '87 : proceedings of the Second IFIP Conference on Human-Computer Interaction, held at the University of Stuttgart, Federal Republic of Germany, 1-4 September, 1987 - Bullinger, H.-J. (Hans-Jörg); Shackel, B. (Brian), 1927-2007; Kornwachs, Klaus, 1947- (North-Holland, 1987)