@book{52594,
	author = {Livi Bacci, Massimo.},
	title = {A concise history of world population :},
	publisher = {Blackwell Publishers,},
	year = {c2001.},
	address = {Malden, MA :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0802/00051920-t.html}
}