@book{89657,
	author = {Fletcher, Harvey},
	title = {Speech and hearing in communication.},
	publisher = {Van Nostrand},
	year = {[1953]},
	series = {The Bell Telephone Laboratories series},
	address = {New York},
	edition = {[2d ed.]},
	note = {A revision of the author's Speech and hearing, published 1929.}
}