@book{34490,
	author = {Ross, Monte. and SpringerLink (Online service)},
	title = {The Search for Extraterrestrials},
	publisher = {Praxis,},
	year = {2009.},
	series = {Springer Praxis Books},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/978-0-387-74070-6}
}