@book{127242,
	author = {De Grijs, Richard, and ebrary, Inc.},
	title = {An introduction to distance measurement in astronomy},
	publisher = {John Wiley & Sons,},
	year = {2011.},
	address = {Chichester, West Sussex ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10490620}
}