@MISC{leifeld2009analysis,
  author = {Leifeld, Philip},
  title = {{The Analysis of Political Discourse Networks}},
  howpublished = {{Poster presented at the Harvard Political Networks
    Conference, Cambridge, Mass., June 12, 2009}},
  year = {2009},
  month = {June},
  url = {http://www.philipleifeld.de}
}