Andreas Birk 0002 Jann Poppinga Max Pfingsthorn Using Different Humanoid Robots for Science Edutainment of Secondary School Pupils. 451-462 2008 RoboCup http://dx.doi.org/10.1007/978-3-642-02921-9_39 conf/robocup/2008 db/conf/robocup/robocup2008.html#BirkPP08