1. Broom, B., Welsh, J., Wildman, L.: UQ2 Editor User Manual. Technical Report. Department of Computer Science. University of Queensland. Brisbane, Australia 1989
2. Card, S.K., Moran, T.P., Newell, A.: The Keystroke-Level Model for User Performance Time with Interactive Systems. Communications of the ACM 23(7): 396–410, 1980
3. Card, S.K., Moran, T.P., Newell, A.: The Psychology of Human-Computer Interaction. Hillsdale, NJ: Lawrence Erlbaum Associates, 1983
4. Eberts, R.E.: User Interface Design. Englewood Cliffs, NJ: Prentice-Hall, 1994
5. Embley D.W., Nagy, G.: Behavioral Aspects of Text Editors. ACM Computing Surveys 13(1): 33–70, 1981