@inproceedingsLohan_Pitsch_Rohlfing_Fischer_Saunders_Lehmann_Nehaniv_Wrede_2011, title=Contingency allows the robot to spot the tutor and to learn from interaction, DOI=10.1109/devlrn.2011.6037341, booktitle=2011 IEEE International Conference on Development and Learning (ICDL 2011), publisher=IEEE, author=Lohan, Katrin Solveig and Pitsch, Karola and Rohlfing, Katharina and Fischer, Kerstin and Saunders, Joe and Lehmann, H. and Nehaniv, Christopher and Wrede, Britta, year=2011, pages=1–8