@book{267193,
	author = {United States. and United States.},
	title = {Threats to Space assets and implications for homeland security :},
	publisher = {U.S. Government Publishing Office,},
	year = {2017.},
	address = {Washington :},
	note = {Paper version available for sale by the Superintendent of Documents, United States Government Publishing Office.},
	url = {http://purl.fdlp.gov/GPO/gpo84766}
}