@book{92181,
	author = {Squier, George Owen, and United States.},
	title = {Multiplex telephony and telegraphy,},
	publisher = {Govt. Print. Off.,},
	year = {1911.},
	series = {Professional paper of the Signal Corps, U.S. Army.},
	address = {Washington,},
	note = {On verso of t.-p.:  War Department.  Document no. 390.}
}