@PHDTHESIS{vanwelbergenthesis2011,
 	author={H. van Welbergen},
 	year=2011, 
 	month=sep,
 	title={Behavior Generation for Interpersonal Coordination with Virtual Humans: on Specifying, Scheduling and Realizing Multimodal Virtual Human Behavior},
 	school={University of Twente},
 	type={PhD Thesis},
 	publisher={University of Twente}, 
 	ISSN={1381-3617}, 
 	ISBN={978-90-365-3233-4},
}