@book{21112,
	author = {Iordache, Octavian },
	title = {Modeling Multi-Level Systems},
	publisher = {Springer Berlin Heidelberg},
	year = {2011},
	series = {Understanding Complex Systems},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/978-3-642-17946-4}
}