[Reports] / Amer.inst.of aeronautics and astronautics. N 90-3772 : Quantification of risk of extreme and catastrophic events : Rep.presented at AIAA space progr.and technologies conf., Sept.25-28, 1990, Huntsville(Al) / Y.Y.Haimes,D.Li, 1990. - 3 p. - Текст : непосредственный.