@InProceedings{Vorndran-ISR-2018,
  Title                    = {How to Always Keep an Eye on the User with a Mobile Robot?},
  Author                   = {Vorndran, Alexander and Trinh, Thanh Quang and Mueller, {\relax St}effen and Scheidig, Andrea and Gross, Horst Michael},
  Booktitle                = {Int. Symposium on Robotics (ISR), Munich, Germany},
  Year                     = {2018},
  Pages                    = {219--225},
  Publisher                = {VDE Verlag}
}