[Reports] / Amer.inst.of aeronautics and astronautics. N 89-1762 : approximate description of optical column density through rocket exhaust plumes at high altitude : Rep. presented at the AIAA 24th thermophysics conf., Buffalo(NY)/June 12-14,1989 / B.E.Pearce,R.F.Missert,N.J.Lang, 1989. - 7 p. - Текст : непосредственный.