@book{61083,
	author = {Haas, Kenneth Brooks, and Packer, Harry Q.,},
	title = {Preparation and use of audio-visual aids /},
	publisher = {Prentice-Hall,},
	year = {1955 [reprnted 1964].},
	address = {New York :},
	edition = {3d ed.},
	note = {Includes index}
}