@book{21078,
	author = {Flügge, Siegfried.},
	title = {Practical quantum mechanics.},
	publisher = {Springer-Verlag},
	year = {1971.},
	series = {Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen},
	address = {Berlin},
	note = {Translation of Rechenmethoden der Quantentheorie.}
}