@book{273290,
	author = {United States.},
	title = {Exploring the value of spectrum to the U.S. economy :},
	publisher = {U.S. Government Publishing Office,},
	year = {2017.},
	series = {S. hrg. ;},
	address = {Washington :},
	note = {Shipping list no.: 2018-0118-M.}
}