@book{78760,
	author = {Ingelhart, Louis Edward.},
	title = {Press and speech freedoms in America, 1619-1995 :},
	publisher = {Greenwood press,},
	year = {1997.},
	address = {Westport (Conn.) ;},
	note = {Bibliogr. p. 337-342. Index.},
	url = {http://catalogue.bnf.fr/ark:/12148/cb37570559p}
}