@book{45199,
	author = {Forssell, Börje},
	title = {Radionavigation systems /},
	publisher = {Artech House,},
	year = {c2008},
	address = {Boston :},
	note = {We are pleased to welcome this text, Radionavigation Systems, into the Artech House GNSS technology and applications series. This handy little book, last published in 1991, is still in use by many practicing navigation engineers --P. xiii.}
}