@article {21,
	title = {A Threefold Dataset for Activity and Workflow Recognition in Complex Industrial Environments},
	journal = {MultiMedia, IEEE},
	volume = {19},
	year = {2012},
	month = {July-Sept.},
	pages = {42 -52},
	issn = {1070-986X},
	doi = {10.1109/MMUL.2012.31},
	author = {Athanasios Voulodimos and D. Kosmopoulos and Vasileiou, Georgios and Sardis, Emmanuel and Anagnostopoulos, Vasileios and Lalos, Constantinos and Doulamis, A.D. and Varvarigou, T.A.}
}
