@book{28691,
	author = {Betts, Richard K.,},
	title = {Nonproliferation and U.S. foreign policy /},
	publisher = {Brookings Institution,},
	year = {©1980.},
	address = {Washington, D.C. :},
	url = {http://www.gbv.de/dms/bowker/toc/9780815796732.pdf}
}