@inproceedings{ICPR-2012-RichterGE,
	author        = "Matthias Richter and Tobias Gehrig and Hazim Kemal Ekenel",
	booktitle     = "{Proceedings of the 21st International Conference on Pattern Recognition}",
	isbn          = "978-1-4673-2216-4",
	pages         = "3517--3520",
	publisher     = "{IEEE Computer Society}",
	title         = "{Facial expression classification on web images}",
	year          = 2012,
}