@incollection{LentzBlutner2009,
  author    = {Tom Lentz and Reinhard Blutner},
  title     = {Signalling games : evolutionary convergence on optimality},
  booktitle = {Papers on pragmasemantics / Anton Benz \& Reinhard Blutner (ed.)},
  volume    = {51},
  url       = {http://www.zas.gwz-berlin.de/783.html},
  year      = {2009},
}