@book{48081,
	author = {U.S. National Center for Educational Research and Development. and Witherspoon, John P.},
	title = {Instructional television facilities},
	publisher = {U.S. Office of Education for sale by the Supt. of Docs., U.S. Govt. Print. Off.},
	year = {1969.},
	address = {Washington}
}
