@book{21711,
	author = {Schollwöck, Ulrich, ed. and Bishop, Raymond F., ed.},
	title = {Quantum Magnetism},
	publisher = {Springer Berlin Heidelberg},
	year = {2004},
	series = {Lecture Notes in Physics},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/b96825}
}