@inproceedings{ICPR-v4-2004-LeoDGSD,
	author        = "Marco Leo and Tiziana D'Orazio and I. Gnoni and Paolo Spagnolo and Arcangelo Distante",
	booktitle     = "{Proceedings of the 17th International Conference on Pattern Recognition, Volume 4}",
	doi           = "10.1109/ICPR.2004.258",
	isbn          = "0-7695-2128-2",
	pages         = "913--916",
	publisher     = "{IEEE Computer Society}",
	title         = "{Complex Human Activity Recognition for Monitoring Wide Outdoor Environments}",
	year          = 2004,
}