1. Toward a rhetoric of visuals for the computer age;Barton;The Technical Writing Teacher,1985
2. Seeing the text;Bernhardt;College Composition and Communication,1986
3. Coherence, continuity, and cohesion: Theoretical foundations for document design;Campbell,1995
4. Evaluating pictorial illustrations;Dragga;Technical Communication Quarterly,1992
5. Visual and verbal thinking: Drawing and word processing software in writing instruction;Fortune,1989