@book{6731,
	author = {Jones, Huw Roland.},
	title = {Population geography /},
	publisher = {P.C.P.,},
	year = {1990.},
	address = {London :},
	edition = {2nd. ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0658/91171495-d.html}
}