[Reports] / Amer.inst.of aeronautics and astronautics. N 89-3622 : On-board attitude determination for the TOPEX satellite : Rep.presented at the AIAA guidance,navigation and control conf.Aug.14-16,1989/Boston(Ma) / C.J.Dennehy,K.Ha,R.Welch,T.Kia, 1989. - 14 p. - Текст : непосредственный.