@book{2011,
	author = {Awad, Issam A.},
	title = {Current management of cerebral aneurysms },
	publisher = {American Association of Neurological Surgeons : Neurosurgical topics},
	year = {1993},
	series = {Neurosurgical topics},
	address = {Park Ridge},
	edition = {Nil},
	url = {http://www.loc.gov/catdir/enhancements/fy1105/2009289023-b.html}
}