Sabanovic, Asif (ed.) et al., Variable structure systems: from principles to implementation. London: Institution of Electrical Engineers (IEE) (ISBN 0-86341-350-1). IEE Control Engineering Series 66, 377-400 (2004).
Fukui, Minoru (ed.) et al., Traffic and granular flow ’01. Proceedings of the symposium, Nagoya, Japan, October 15–17, 2001. Berlin: Springer (ISBN 3-540-40255-1/hbk). 119-124 (2003).