@book{9622,
	author = {Aarseth, Sverre J.},
	title = {Gravitational N-body simulations /},
	publisher = {Cambridge University Press,},
	year = {2003.},
	series = {Cambridge monographs on mathematical physics},
	address = {Cambridge :},
	url = {http://www.loc.gov/catdir/samples/cam041/2003046028.html}
}