@book{50949,
	author = {Glass, D. V. and London School of Economics and Political Science.},
	title = {Population studies /},
	publisher = {Population Investigation Committee,},
	year = {1963.},
	address = {London :},
	note = {Editor:  1947-    D.V. Glass.},
	url = {http://ejournals.ebsco.com/Journal2.asp?JournalID=300383}
}