@book{18503,
	author = {Gussenhoven, Carlos, and ebrary, Inc.},
	title = {Tones and tunes.},
	publisher = {Mouton de Gruyter,},
	year = {c2007.},
	series = {Phonology and phonetics,},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10282658}
}