@articleSalem_Kopp_Wachsmuth_Rohlfing_Joublin_2012, title=Generation and evaluation of communicative robot gesture, volume=4, DOI=10.1007/s12369-011-0124-9, number=2, journal=International Journal of Social Robotics, Special Issue on Expectations, Intentions, and Actions, publisher=Springer Science + Business Media, author=Salem, Maha and Kopp, Stefan and Wachsmuth, Ipke and Rohlfing, Katharina and Joublin, Frank, year=2012, pages=201–217 
LibreCat: /record/17225
DOI: 10.1007/s12369-011-0124-9

@articleSalem_Kopp_Wachsmuth_Rohlfing_Joublin_2012, title=Generation and evaluation of communicative robot gesture, volume=4, DOI=10.1007/s12369-011-0124-9, number=2, journal=International Journal of Social Robotics, Special Issue on Expectations, Intentions, and Actions, publisher=Springer Science + Business Media, author=Salem, Maha and Kopp, Stefan and Wachsmuth, Ipke and Rohlfing, Katharina and Joublin, Frank, year=2012, pages=201–217 
LibreCat: /record/17428
DOI: 10.1007/s12369-011-0124-9

@articleLohan_Rohlfing_Pitsch_Saunders_Lehmann_Nehaniv_Fischer_Wrede_2012, title=Tutor spotter: Proposing a feature set and evaluating it in a robotic system, volume=4, DOI=10.1007/s12369-011-0125-8, number=2, journal=International Journal of Social Robotics, publisher=Springer Science + Business Media, author=Lohan, Katrin Solveig and Rohlfing, Katharina and Pitsch, Karola and Saunders, Joe and Lehmann, Hagen and Nehaniv, Chrystopher L. and Fischer, Kerstin and Wrede, Britta, year=2012, pages=131–146 
LibreCat: /record/17216
DOI: 10.1007/s12369-011-0125-8