Towards Autonomous Robotic Systems 12th Annual Conference, TAROS 2011, Sheffield, UK, August 31 -- September 2, 2011, Proceedings - Groß, Roderich.; Groß, Roderich.; Alboul, Lyuba.; Alboul, Lyuba.; Melhuish, Chris.; Melhuish, Chris.; Witkowski, Mark.; Witkowski, Mark.; Prescott, Tony T.; Prescott, Tony T.; Penders, Jacques.; Penders, Jacques. (Springer Berlin Heidelberg : Imprint: Springer, 2011)