@book{129507,
	author = {Gibb, H. A. R. and Gibb, H. A. R.},
	title = {Islam :},
	publisher = {Oxford University Press,},
	year = {1975.},
	series = {OPUS ;},
	address = {London :},
	edition = {2d ed.},
	note = {"Second impression [of paperback ed., with revisions] re-titled."}
}