@book{55489,
	author = {National Academy of Sciences (U.S.). and ebrary, Inc.},
	title = {The growth of world population},
	publisher = {National Academy of Sciences,},
	year = {1963.},
	series = {National Research Council (U.S.) Publication ;},
	address = {Washington :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10080788}
}