@book{13320,
	author = {D'Alessandro, Roberta, and ebrary, Inc.},
	title = {Impersonal si constructions},
	publisher = {Mouton de Gruyter,},
	year = {c2007.},
	series = {Studies in generative grammar ;},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10256671}
}