@book{130946,
	author = {Jakobson, Roman,},
	title = {Preliminaries to speech analysis :},
	publisher = {Massachusetts Institute of Technology,},
	year = {1961.},
	series = {Massachusetts Institute of Technology. Acoustics Laboratory. Technical report},
	address = {Cambridge :},
	note = {"First published in 1952 as Technical Report no. 13."}
}