@book{21632,
	author = {Karshenboim, S.G., ed. and Bassani, F., ed.},
	title = {The Hydrogen Atom},
	publisher = {Springer Berlin Heidelberg},
	year = {2001},
	series = {Lecture Notes in Physics},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/3-540-45395-4}
}