@book{230022,
	author = {Pankov, A. A. and ebrary, Inc.},
	title = {Travelling waves and periodic oscillations in fermi-pasta-ulam lattices},
	publisher = {Imperial College Press,},
	year = {2005.},
	address = {London :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10173987}
}