@INPROCEEDINGS{Volkhardt-ICIRA-2011,
author = {Volkhardt, Michael and Mueller, {\relax St}effen and Schroeter, {\relax
Ch}ristof and Gross, Horst-Michael},
title = {Detection of Lounging People with a Mobile Robot Companion},
booktitle = {Intelligent Robotics and Applications (ICIRA)},
year = {2011},
pages = {328--337},
volume = {7102},
number = {2},
series = {LNCS},
publisher = {Springer}
}