@book{6009,
	author = {U.S. GOVERNMENT PRINTING OFFICE },
	title = {Witness security program},
	publisher = {U.S. Government Printing Office},
	year = {1980},
	address = {Washington},
	note = {Hearings before the permanent subcommittee on investigations of the committee on governmental Affairs United States Senate.- ninety-sixth congress, 15-17 Dezembro, 1980}
}