共 9 条
[1]
HIGHLY SENSITIVE LOW-FREQUENCY SPECTROMETER FOR STUDY ON ELECTRON-SPIN RESONANCES
[J].
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS,
1972, 5 (04)
:337-&
[3]
FRONCISZ W, 1984, Patent No. 4480239
[7]
Montgomery C. G., 1947, TECHNIQUES MICROWAVE