@inbook {Ohala1993,
	title = {The phonetics of sound change},
	booktitle = {Historical linguistics: Problems and perspectives},
	year = {1993},
	pages = {237{\textendash}278},
	publisher = {Longman},
	organization = {Longman},
	address = {London-New York},
	author = {Ohala, John J.},
	editor = {Jones, Charles}
}
