1. Metaphor and human-computer interaction: a model based approach;Alty,1999
2. A framework for engineering metaphor at the user interface;Alty;Interacting with Computers,2000
3. The definition of the image;Bugelski,1971
4. Metaphor, computing systems, and active learning;Carroll;International Journal of Human-Computer Studies,1999
5. The use of lateral thinking;de Bono,1967