共 18 条
[11]
RAMSEY NF, 1961, AM SCI, V49, P509
[15]
TOWNES CH, 1955, MICROWAVE SPECTROSCO, P517
[16]
VANDIJK FA, 1971, THESIS U NIJMEGEN
[17]
Zahn C. T., 1924, PHYS REV, V24, P400
[18]
[No title captured]