共 24 条
- [1] ALLAN S, 1988, NASACR184714
- [2] [Anonymous], 1967, TREATY PRINCIPLES GO
- [3] BAILEY S, 1989, NEWTON VARIABLE GRAV
- [4] BAILEY SG, 1990, VISION 21 SPACE TRAV, P416
- [5] BONTING SL, 1987, ESA SP271, P361
- [6] CLARK BC, 1984, CASE MARS 1, V57, P197
- [7] DIAMANDIS PH, 1987, SPACE MANUFACTURING, V6, P133
- [8] DIEDERIKSVERSCH.IH, 1972, 15TH C LAW OUT SPAC, P96
- [9] EARL JE, 1971, NASA CR114982
- [10] GRAYBIEL A, 1962, 3RD P INT SPAC SCI S, P19