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M. Salem, F. A. Eyssel, K. Rohlfing, S. Kopp, and F. Joublin, “Effects of gesture on the perception of psychological anthropomorphism: A case study with a humanoid robot,”10.1007/978-3-642-25504-5_4__in Social Robotics, 2011, vol. 7072, pp. 31–41, doi:10.1007/978-3-642-25504-5_4 .