@book{5430,
	author = {Conway, John Horton. and Sloane, N. J. A.},
	title = {Sphere packings, lattices, and groups /},
	publisher = {Springer-Verlag,},
	year = {c1992.},
	series = {Grundlehren der mathematischen Wissenschaften ;},
	address = {New York :},
	edition = {2nd ed.},
	note = {Includes index.}
}