@book{20841,
	author = {Cooke, Antony },
	title = {Dark Nebulae, Dark Lanes, and Dust Belts},
	publisher = {Springer New York},
	year = {2012},
	series = {The Patrick Moore Practical Astronomy Series},
	address = {New York},
	url = {http://doi.org/10.1007/978-1-4614-1186-4}
}