@book{21695,
	author = {Cassinelli, Gianni, ed. and Lahti, Pekka J. , ed.},
	title = {The Theory of Symmetry Actions in Quantum Mechanics},
	publisher = {Springer Berlin Heidelberg},
	year = {2004},
	series = {Lecture Notes in Physics},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/b99455}
}