@article{DBLP:journals/tap/RienksPH10,
  author    = {Rutger Rienks and
               Ronald Poppe and
               Dirk Heylen},
  title     = {Differences in head orientation behavior for speakers and
               listeners: An experiment in a virtual environment},
  journal   = {TAP},
  volume    = {7},
  number    = {1},
  year      = {2010},
  ee        = {http://doi.acm.org/10.1145/1658349.1658351},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}