@book{599837,
	author = {Yeung, Douglas. and Martin, Margret T. and Project Air Force (U.S.).},
	title = {Spiritual fitness and resilience :},
	publisher = {RAND,},
	year = {2013.},
	address = {Santa Monica, CA :},
	note = {"RAND Project Air Force."},
	url = {http://www.rand.org/pubs/research_reports/RR100.html}
}