@book{14381,
	author = {Fr�oman, Nanny. and Fr�oman, Per Olof. and ebrary, Inc.},
	title = {Stark effect in a hydrogenic atom or ion},
	publisher = {Imperial College Press ;},
	year = {c2008.},
	address = {London :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10255965}
}