@book{21308,
	author = {Paul Shuch, H.},
	title = {Searching for Extraterrestrial Intelligence},
	publisher = {Springer Berlin Heidelberg},
	year = {2011},
	series = {The Frontiers Collection},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/978-3-642-13196-7}
}