Danijel Skocaj Matej Kristan Alen Vrecko Marko Mahnic Miroslav Janícek Geert-Jan M. Kruijff Marc Hanheide Nick Hawes Thomas Keller 0001 Michael Zillich Kai Zhou A system for interactive learning in dialogue with a tutor. 3387-3394 2011 IROS http://dx.doi.org/10.1109/IROS.2011.6094926 conf/iros/2011 db/conf/iros/iros2011.html#SkocajKVMJKHHKZZ11