000
00258pam a2200109a 44500
082
_a
NASA
_b
CR-397 -
100
_a
R T Schneider
245
1
_a
Photoelectric detection of weak spectrum lines
260
_a
_b
_c
700
_a
R O Whitaker
997
_a
TR9960 C
999
_c
394174
_d
394174