共 50 条
- [2] VERTICAL SOUNDING BALLOONS FOR LONG-DURATION FLIGHTS [J]. BALLOON TECHNOLOGY AND OBSERVATIONS, 1994, 14 (02): : 53 - 59
- [6] PREPARATION FOR LONG-DURATION MISSIONS [J]. SPACE TECHNOLOGY-INDUSTRIAL AND COMMERCIAL APPLICATIONS, 1994, 14 (2-3): : 211 - 212