共 8 条
[3]
Negative-ion components in the cathode-ray beam
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1938, 26 (05)
:529-539
[4]
Emission of negative ions from oxide cathodes
[J].
PROCEEDINGS OF THE PHYSICAL SOCIETY,
1939, 51
:335-348
[5]
BROADWAY LF, 1939, P PHYS SOC LOND, V51, P348