@ARTICLE{Doering-JSR-2015,
  author = {Doering, Nicola and Poeschl, Sandra and Gross, Horst-Michael and
    Bley, Andreas and Martin, {\relax Ch}ristian and Boehme, Hans-Joachim},
  title = {User-Centered Design and Evaluation of a Mobile Shopping Robot},
  journal = {Int. Journal on Social Robotics (JSR)},
  year = {2015},
  volume = {7},
  pages = {203--225}
}