@article {49753,
	title = {An Outdoor 3-d Visual Tracking System for the Study of Spatial Navigation and Memory in Rhesus Monkeys},
	journal = {Behavior Research Methods,Instruments \& Computers},
	volume = {37},
	year = {2005},
	month = {08/2005},
	pages = {453-463},
	author = {Zia Khan and Rebecca A. Herman and Kim Wallen and Tucker Balch}
}
