@book{119459,
	author = {Farrell, Jay. and ebrary, Inc.},
	title = {Aided navigation},
	publisher = {McGraw-Hill,},
	year = {c2008.},
	series = {Electronic engineering},
	address = {New York :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10229794}
}