@article {417,
	title = {Real-time three-dimensional occupancy grid modeling for the detection and tracking of construction resources},
	journal = {Journal of Construction Engineering and Management},
	volume = {133},
	number = {11},
	year = {2007},
	pages = {880-888},
	isbn = {0733-9364},
	author = {Teizer, J. and Caldas, CH. and Haas, CT.}
}
