Sturm A. Maschinen-und Anlagendiagnostik fur zustandsbezogene Insttandhaltung : сборник научных трудов / A. Sturm, R. Forster, 1988. - 350 S. - Текст : непосредственный.
Forster R. Application of advanced structural materials in pressure vessels for ARIANE5 and HERMES : Rep.presented at AIAA/SAE/ASME/ASEE 26th joint propulsion conf.,July 16-18,1990,Orlando,Fl. / R.Forster, 1990. - 7 p. - Текст : непосредственный.
[Reports] / Amer.inst.of aeronautics and astronautics. N 88-2850 : Manufacturing techniques for lightweight tankage : Papers presented at AIAA/ASME/SAE/ASEE 24th Joint propulsion conf., July 11-13, 1988, Boston(Ma) / W.Radtke,H.Krings,R.Forster и др, 1988. - 10 p. - Текст : непосредственный.