@article {129,
	title = {Improving evolvability of a patient communication control system using state-based supervisory control synthesis},
	journal = {Advanced Engineering Informatics},
	volume = {26},
	year = {2012},
	pages = {502-515},
	author = {Rolf J. M. Theunissen and Dirk A. van Beek and Jacobus E. Rooda}
}