Dirk Heylen


with de Kok, I. , 2012, 'Analyzing nonverbal listener responses using parallel recordings of multiple listeners', Cognitive Processing 13 (2 Supplement), 499-506.

, 2008a, Listening heads, in I. Wachsmuth & G. Knoblich (eds.), Modeling communication with robots and virtual humans, Dordrecht, Springer, pp. 241-259.