共 4 条
[1]
Gale B., 1961, BRIT J APPL PHYS, V12, P115
[2]
Leisegang S., 1954, P INT C ELECTRON MIC, P176
[3]
von Borries B, 1944, KOLLOID Z, V106, P123
[4]
ZWORYKIN VK, 1945, ELECTRON OPTICS ELEC

