@book{21842,
	author = {Lowdermilk, Ronald R. and Federal radio education committee.},
	title = {The school radio-sound system,},
	year = {1941.},
	series = {[Ohio. State university, Columbus. Bureau of educational research. Evaluation of school broadcasts. Pamphlet series, no. 3]},
	address = {Washington, D.C.,}
}