@MISC{leifeld2011wie,
  author = {Leifeld, Philip},
  title = {{Wie funktioniert politischer Diskurs? Netzwerke, Diffusion und 
    Polarisierung}},
  year = {2011},
  month = {November},
  howpublished = {{Invited Talk at the Fachbereichskolloquium, Department of 
    Politics \& Public Administration, University of Konstanz, November 23}}
}