@book{186487,
	author = {Picard, Marc. and ebrary, Inc.},
	title = {Principles and methods in historical phonology},
	publisher = {McGill-Queen's University Press,},
	year = {1994.},
	address = {Montreal ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10141673}
}
