Number of items: 2.
Noussair, Charles N., Offerman, Theo, Suetens, Sigrid, Van de Ven, Jeroen, Van Leeuwen, Boris and Van Veelen, Matthijs (2014) Predictably angry: Facial cues provide a credible signal of destructive behavior. IAST working paper, n. 14-15, Toulouse
Hopfensitz, Astrid and Van Veelen, Matthijs (2007) In Love and War: Altruism, Norm Formation, and Two Different Types of Group Selection. Journal of Theoretical Biology, 249 (n°4). pp. 667-680.