共 4 条
- [1] COHEN A, 1989, REPORT 90 DAY STUDY
- [2] Lunar resource utilization: Implications for commerce and exploration [J]. MOON: SCIENCE, EXPLORATION AND UTILISATION, 2003, 31 (11): : 2413 - 2419
- [3] Freundlich A, 1998, AIP CONF PROC, P660
- [4] Sadoway D. R., 1993, U. S. Pat., Patent No. 5185068