@conference {koumboulis2007supervisory,
	title = {A Supervisory Scheme for Stepwise Safe Switching Controllers},
	booktitle = {WASET International Conference on Control, Automation and Systems (ICCAS 2007), Venice, Italy},
	year = {2007},
	pages = {244{\textendash}251},
	author = {Koumboulis, FN and Tzamtzi, MP}
}
