@book{176588,
	author = {Schmude, Richard W., and ebrary, Inc.},
	title = {Uranus, Neptune, and Pluto and how to observe them},
	publisher = {Springer,},
	year = {c2008.},
	series = {Astronomers' observing guides},
	address = {New York ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10313574}
}