The SonicFinder: An Interface that Uses Auditory Icons (Abstract Only). - William W. Gayer (ACM SIGCHI Bull., 1989)

Interaction Relabelling and Extreme Characters: Methods for Exploring Aesthetic Interactions. - J. P. Djajadiningrat; William W. Gayer; Joep W. Frens (Symposium on Designing Interactive Systems, 2000)