@inproceedings{derspherical06, title = {Let It Roll -- Emerging Sensorimotor Coordination in a Spherical Robot}, author = {Der, Ralf and Martius, Georg and Hesse, Frank}, booktitle = {Proc,\ Artificial Life X}, pages = {192--198}, publisher = {Intl.~Society for Artificial Life, MIT Press}, month = aug, year = {2006}, doi = {}, month_numeric = {8} }