@article {1105,
	title = {Roombots: A Hardware Perspective on 3D Self-Reconfiguration and Locomotion with a Homogeneous Modular Robot},
	journal = {Robotics and Autonomous Systems},
	year = {2013},
	author = {Spr{\"o}witz, A. and M{\"o}ckel, R. and Vespignani, M. and Bonardi, S. and Ijspeert, A.}
}
