@book{213213,
	author = {Mulder, Jan W. F. and ebrary, Inc.},
	title = {Foundations of axiomatic linguistics},
	publisher = {M. de Gruyter,},
	year = {1989.},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10598210}
}