@book{268343,
	author = {United States.},
	title = {The persistent threat of North Korea and developing an effective U.S. response :},
	publisher = {U.S. Government Publishing Office,},
	year = {2017.},
	series = {S. hrg. ;},
	address = {Washington :},
	note = {CRDP Program record.},
	url = {https://purl.fdlp.gov/GPO/gpo87618}
}