@article{pub4708,
author = {
Fritz, Mario
and
Kruijff, Geert-Jan
and
Schiele, Bernt
},
title = {Tutor-based learning of visual categories using different levels of supervision},
year = {2010},
month = {5},
volume = {114},
pages = {564--573},
journal = {Computer Vision and Image Understanding},
publisher = {Elsevier}
}