1. Yoon, W.C.: Identifying, Organizing and Exploring Problem Space for Interaction Design. In: Proceedings of the 8th IFAC/IFIP/IFORS/IEA Symposium on Analysis, Design, and Evaluation of Human-Machine Systems, Kassel, Germany, pp. 81–86 (2001)
2. Nielsen, J., Mack, R.L.: Usability Inspection Methods. John Wiley & Sons, Inc., West Sussex, England (1994)
3. Sears, A.: AIDE: A step toward metric-based interface development tools. In: Proceedings of the 8th Annual ACM Symposium on User Interface and Software Technology, Pittsburgh, Pennsylvania, United States, pp. 101–110 ( 1995)
4. ISO: ISO/IEC DIS 14598-1 Information Technology – Evaluation of Software Products – Part 1, General Guide (1996)
5. Yoon, W.C., Park, J.S.: A diagrammatic model for representing user’s interface knowledge of task procedures. In: Proceedings of Cognitive Systems Engineering in Process Control, Kyoto, Japan, pp. 276–285 (1996)