@book {Lehmann1952,
	title = {Proto-Indo-European Phonology},
	year = {1952},
	publisher = {University of Texas Press},
	organization = {University of Texas Press},
	address = {Austin, TX},
	url = {http://www.utexas.edu/cola/centers/lrc/books/piep00.html},
	author = {Lehmann, W. P.}
}
