000
00241pam a2200097a 44500
082
_a
NASA
_b
TND-1134 -
100
_a
Ruthroff Clyde L.
245
1
_a
Project echo- FM demodulators with negative feedback
260
_a
_b
_c
997
_a
TR9696 C
999
_c
406207
_d
406207