@article {24,
	title = {Toward the Robot Butler: The HUMABOT Challenge},
	journal = {IEEE ROBOTICS \& AUTOMATION MAGAZINE},
	volume = {22},
	year = {2015},
	month = {06/2015},
	chapter = {8-17},
	issn = {1070-9932},
	doi = {10.1109/MRA.2015.2418511},
	author = {Cervera, Enric and Garc{\'\i}a, Juan Carlos and Sanz, Pedro J.}
}
