Tutor spotter: Proposing a feature set and evaluating it in a robotic system
K.S. Lohan, K. Rohlfing, K. Pitsch, J. Saunders, H. Lehmann, C.L. Nehaniv, K. Fischer, B. Wrede, International Journal of Social Robotics 4 (2012) 131–146.

Analysing the effect of contingency in tutoring situations
K.S. Lohan, K. Rohlfing, B. Wrede, in: 2009.

Which ostensive stimuli can be used for a robot to detect and maintain tutoring situations?
K.S. Lohan, A.-L. Vollmer, J. Fritsch, K. Rohlfing, B. Wrede, in: IEEE International Workshop on Social Signal Processing, International Computer Science Institute, 2009.

Which Motionese Parameters Change with Children’s Age?
A.-L. Vollmer, K.S. Lohan, J. Fritsch, B. Wrede, K. Rohlfing, in: 2009.