000
00247pam a2200097a 44500
082
_a
TR
_b
SP-332
100
_a
245
1
_a
Symposium on the gum nebula and related problems,Goddrad space flight center,1971
260
_a
_b
_c
997
_a
TR4858 C
999
_c
405305
_d
405305