@book{164877,
	author = {Roach, G. F. and ebrary, Inc.},
	title = {Wave scattering by time dependent perturbations},
	publisher = {Princeton University Press,},
	year = {2007.},
	series = {Princeton series in applied mathematics},
	address = {Princeton, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10312574}
}