共 36 条
[1]
*ADV COMM FUT US S, 1990, REP
[2]
*AM ASS ADV SCI IN, 1992, RES DEV FY 1993
[3]
[Anonymous], 1989, SPACE TELESCOPE STUD
[4]
ASKER JR, 1992, AVIATION WEEK S 0601, P29
[5]
ASKER JR, 1992, AVIATION WEEK S 0224, P28
[6]
BLESS R, 1988, ISSUES SCI TECHN WIN, P67
[7]
BOWSHER CA, 1991, GOATNSIAD9126 HOUS C
[8]
Braun Wernher von, 1952, COLLIERS 0322, P24