000
00276pam a2200109a 44500
082
_a
NASA
_b
TND-1132 -
100
_a
Degrasse R. W.
245
1
_a
Project echo- the dual channel 2390-mc traveling-wave maser
260
_a
_b
_c
700
_a
Scovil H.E. D.
997
_a
TR9694 C
999
_c
406205
_d
406205