1. Bury, K., Davies, S., Darnell, M.: Window management: A review of issues and some results from user testing. Technical report, IBM Human factors Center Report HFC-53, San Jose, CA (1985)
2. Card, S.: User perceptual mechanism in the search of computer command menus. In: Proceedings of Human Factors in Computer Systems, pp. 190–196. Washington DC (1982)
3. Caroll, J.: Learning, using and designing command paradigmas. Hum. Learn. 1(1), 31–62 (1982)
4. Cleveland, W., Loader, C.: Smoothing by local regression: Principles and methods. In: Härdle, W., Schimek, M. (eds.) Statistical Theory and Computational Aspects of Smoothing, pp. 10–49. Physika, Heidelberg, Germany (1996)
5. Cruz-Neira, C., Sandin, D., DeFanti, T.: Surround-screen projection-based virtual reality: The design and implementation of the cave. In: Proceedings of SIGGRAPH’93 Conference, pp. 135–142, ACM, New York (1993)