@book {Lehmann1993,
	title = {Theoretical bases of Indo-European linguistics},
	year = {1993},
	note = {<p>Includes bibliographical references (p. 298-315) and index</p>},
	pages = {XI, 324 },
	publisher = {Routledge},
	organization = {Routledge},
	edition = {1},
	address = {London ; New York},
	keywords = {Indo-European languages -- Research -- History, Proto-Indo-European language},
	author = {Lehmann, W. P.}
}
