@book{20789,
	author = {Frykenberg, Robert Eric.},
	title = {Delhi through the ages :},
	publisher = {Oxford University Press,},
	year = {1986.},
	address = {Delhi ;},
	note = {Maps on lining papers.},
	url = {http://www.loc.gov/catdir/enhancements/fy0636/86900004-d.html}
}