M 型永磁铁氧体的研究进展
王亦工, 陈华辉, 周凤颖
The Development in the Research of M-type Permanent-magnet Ferrite
WANG Yi-gong, CHEN Hua-hui, ZHOU Feng-ying
矿冶工程 . 2004, (6): 73 -77 .