@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.}
}
@article {1106,
	title = {A Salamander{\textquoteright}s Flexible Spinal Network for Locomotion, Modeled at Two Levels of Abstraction},
	journal = { Integrative and Comparative Biology},
	year = {2013},
	author = {Kn{\"u}sel, J. and Bicanski, A. and Ryczko, D. and Cabelguen, J.M. and Ijspeert, A.}
}
