[Reports] / Amer.inst.of aeronautics and astronautics. N 88-3168 : Negative matter propulsion : Paper presented at AIAA/SAE/ASME/ASEE 24th joint propulsion conf., July 11-13, 1988, Boston(Ma) / R.L.Forward, 1988. - 19 p. - Текст : непосредственный.
Forward R.L. Microwave beam riders for planetary exploration : Rep.presented at the AIAA/SAE/ASME/ASEE 26th joint propulsion conf.,July 16-18,1990,Orlando,Fl. / R.L.Forward, 1990. - 13 p. - Текст : непосредственный.
Forward R.L. Nullor space drive : Rep.presented at AIAA/SAE/ASME/ASEE 26th joint propulsion conf.,July 16-18,1990,Orlando,Fl. / R.L.Forward, 1990. - 10 p. - Текст : непосредственный.