@article {439,
	title = {An analysis of the energy and cost savings potential of occupancy sensors for commercial lighting systems},
	journal = {Journal of the Illuminating Engineering Society},
	volume = {30},
	number = {2},
	year = {2001},
	pages = {111-125},
	isbn = {0099-4480},
	author = {Von Neida, B. and Manicria, D. and Tweed, A.}
}
