@book{21867,
	author = {Parkinson, John B., ed. and Farnell, Damian J. J., ed.},
	title = {An Introduction to Quantum Spin Systems},
	publisher = {Springer Berlin Heidelberg},
	year = {2010},
	series = {Lecture Notes in Physics},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/978-3-642-13290-2}
}