@book{21151,
	author = {Balzer, Karsten  and Bonitz, Michael },
	title = {Nonequilibrium Green's Functions Approach to Inhomogeneous Systems},
	publisher = {Springer Berlin Heidelberg},
	year = {2013},
	series = {Lecture Notes in Physics},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/978-3-642-35082-5}
}