Use of information about additional satellites for navigation determinations/ E.A. Kovalevsky // MATERIALS IX ISTC ‘Avia-2009’, K.:NAU, 2009, Vol.1, p.7.5-7.8
Use of information about additional satellites for navigation determinations/ E.A. Kovalevsky // MATERIALS IX ISTC ‘Avia-2009’, K.:NAU, 2009, Vol.1, p.7.5-7.8