@inproceedings{Evrard09Hum, author = "P. Evrard and E. Gribovskaya and S. Calinon and A. Billard and A. Kheddar", title = "Teaching physical collaborative tasks: Object-lifting case study with a humanoid", booktitle = "Proc. {IEEE-RAS} Intl Conf. on Humanoid Robots ({H}umanoids)", year = "2009", month="December", location="Paris, France", pages="399--404" }