References Arianespace, A.S.A.P. user's manual, 7990/ Bernasconi, M. C., “Large Spaceborne Antenna Reflectors Using Inflatable Space Rigidised Structures”, Workshop on Mechanical Technology for Antennas. ESA, 1984. Duncan, Lewis M., and Wm. E. Gordon, Final Report: lonosphere/Microwave Beam Interaction Study, September 1977, NASA Contract Number NAS9-15212. Eurospace, Powersat Study Executive Summary, ESA Contract N° 9390/91/F, 1992 Ostro, Steven J., “Radar Observations of Asteroids”, Asteroids II, ed Tom Gehrels, University of Arizona Press, Tuscon, 1989 Sulzer, Michael, Personal Contact, 8/92. Tillotson, Brian, Personal Contact, 8/92. Wertz, James R., and Wiley J. Larson (eds), Space Mission Analysis and Design, Kluwer, Boston, 1991.
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