共 5 条
[1]
HARRISON GR, 1964, RADCTDR64225, V1, P252
[2]
INCE W, P IEE INTERNATL C MI, P1
[3]
LEVEY L, 1950 IRE WESC CONV R, P11
[4]
Smit J., 1959, FERRITES
[5]
STERN E, 1965 C MAGN MAGN MAT