000
00232pam a2200109a 44500
082
_a
SP-68
100
_a
Seull, J.R.
245
1
_a
Space technology
260
_a
Washington,D.C.
_b
Nasa
_c
1966
964
_g
CIRC
997
_a
TR4687 C
999
_c
391912
_d
391912