@book{109459,
	author = {Umiker-Sebeok, Donna Jean. and ebrary, Inc.},
	title = {Monastic sign languages},
	publisher = {Mouton de Gruyter,},
	year = {1987.},
	address = {Berlin ;},
	note = {English, French, Latin, German, and Portuguese.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10598358}
}