@InProceedings{clemens-diekhaus:2009:SIGDIAL,
  author    = {Clemens, Caroline  and  Diekhaus, Christoph},
  title     = {Prosodic Turn-Yielding Cues With and Without Optical Feedback},
  booktitle = {Proceedings of the SIGDIAL 2009 Conference},
  month     = {September},
  year      = {2009},
  address   = {London, UK},
  publisher = {Association for Computational Linguistics},
  pages     = {107--110},
  url       = {http://www.aclweb.org/anthology/W09-3914}
}