@book{283438,
	author = {United States.},
	title = {Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security  :},
	publisher = {U.S. Government Publishing Office,},
	year = {2019.},
	series = {S. hrg. ;},
	address = {Washington :},
	note = {Shipping list no.: 2019-0127-M.}
}