共 20 条
[2]
ALTVEN H, 1945, ARK MAT ASTR FYS A, V31
[3]
A POSITIVE ION SOURCE
[J].
CANADIAN JOURNAL OF RESEARCH SECTION A-PHYSICAL SCIENCES,
1948, 26 (02)
:69-78
[4]
Cockcroft J. D., 1930, P MATH PHYS ENG SCI, V129, P477, DOI 10.1098/rspa.1932.0107