@book{83456,
	author = {Pettyjohn, Stacie L. and Vick, Alan. and Project Air Force (U.S.)},
	title = {Posture triangle :},
	publisher = {Rand Corporation,},
	year = {2013.},
	series = {Research report},
	address = {Santa Monica, California :},
	note = {"Rand Project Air Force."},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10827377}
}