@INPROCEEDINGS{Volkhardt-HUMANOIDS-2011,
author = {Volkhardt, Michael and Mueller, {\relax St}effen and Schroeter, {\relax
Ch}ristof and Gross, Horst-Michael},
title = {Playing Hide and Seek with a Mobile Companion Robot},
booktitle = {IEEE-RAS Int. Conf. on Humanoid Robots (HUMANOIDS)},
year = {2011},
pages = {40--46},
publisher = {IEEE}
}