@book{163151,
	author = {Mannings, Robin. and ebrary, Inc.},
	title = {Ubiquitous positioning},
	publisher = {Artech House,},
	year = {c2008.},
	series = {Artech House GNSS library},
	address = {Boston ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10312931}
}