Volume 4, Number 1, March 1993
: The Effectiveness of Animated Demonstrations for Computer-based Tasks: a Summary, Model and Future Research.
: The Foundations of Experimental Semiotics: a Theory of Sensory and Conventional Representation.
Volume 4, Number 2, June 1993
P. David Stotts
: Tools Review: 'Software through Pictures' from IDE, Inc.
Volume 4, Number 3, September 1993
Volume 4, Number 4, December 1993
: Representation Problems in Visual Language Design.
: Graqula-A Visual Information-flow Query Language for a Geographical Information System.