1. and , ‘User-oriented satellite systems for the 1990s’ 11th AIAA Communications Satellite Systems Conference, March 1986, pp. 1–11.
2. and , ‘Satellite configurations for EHF communications for mobile terminals’, Int. Telemetering Conf., October 1981.
3. and , Advanced Space Communications Architecture Study, Vol. 2, NASA CR 179592, TRW Report for NASA Lewis Research Center, March 1987.
4. and , ‘On-board technologies for user-oriented SS-FDMA satellite systems’, IEEE Int. Conf. On Commun., June 1987, pp. 8.2.1–8.2.5.
5. ‘A satellite FSK demodulator using an analog SAW chirp Fourier transform’, 12th AIAA Communications Satellite Systems Conference, March 1988, pp. 561–568.