共 5 条
[1]
GALLUP HF, NAMCACL301 NAV AIR M
[2]
CONSPICUITY OF FLASHING LIGHT SIGNALS OF DIFFERENT FREQUENCY AND DURATION
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JOURNAL OF EXPERIMENTAL PSYCHOLOGY,
1954, 48 (04)
:247-251
[3]
MORGAN CT, HUMAN ENGINEERING GU
[4]
SUBTAG ELECTRIC BOAT
[5]
DISPLAY WARNING INFO