@article {3,
	title = {Robust Sequential Data Modeling Using an Outlier Tolerant Hidden Markov Model},
	journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence},
	volume = {31},
	year = {2009},
	pages = {1657-1669},
	issn = {0162-8828},
	author = {Sotirios P. Chatzis and D. Kosmopoulos and Varvarigou, T.A.}
}
