共 8 条
[3]
IIMURA T, 1976, JPN YOGO KYOKAI SHI, V84, P34
[4]
IM HB, 1980, P INT C FERRITE KYOT
[6]
KENNARD KC, 1966, Patent No. 3300311
[7]
KNOWLES JE, 1963, PHILIPS TECH REV, V24, P242
[8]
Letyuk L. M., 1975, POROSHKOV METALL, V8, P59