@InProceedings{baumann-schlangen:2013:SIGDIAL,
  author    = {Baumann, Timo  and  Schlangen, David},
  title     = {Open-ended, Extensible System Utterances Are Preferred, Even If They Require Filled Pauses},
  booktitle = {Proceedings of the SIGDIAL 2013 Conference},
  month     = {August},
  year      = {2013},
  address   = {Metz, France},
  publisher = {Association for Computational Linguistics},
  pages     = {280--283},
  url       = {http://www.aclweb.org/anthology/W13-4042}
}