Towards Autonomous Robotic Systems 19th Annual Conference, TAROS 2018, Bristol, UK July 25-27, 2018, Proceedings - Giuliani, Manuel; Giuliani, Manuel; Assaf, Tareq; Assaf, Tareq; Giannaccini, Maria Elena; Giannaccini, Maria Elena (Springer International Publishing : Imprint: Springer, 2018)