@book{200030,
	author = {Benton, William and Encyclopaedia Britannica, inc.},
	title = {Britannica book of the year : },
	publisher = {Encyclopaedia Britannica, },
	year = {1971.},
	address = {Chicago :},
	note = {"The Britannica book of the year bridges the gap between editions [of the Encyclopaedia Britannica]."}
}