@book{88071,
	author = {Walker, Jearl},
	title = {Halliday & Resnick principles of physics /},
	publisher = {John Wiley },
	year = {2013(repr.)},
	address = {New Delhi},
	edition = {extended 9th ed},
	note = {At head of title: Halliday & Resnick.}
}