Magnetic materials - Part 5: Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties (IEC 60404-5:1993 + A1:2007); German version EN 60404-5:2007— 19 стр.
Magnetic materials - Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties; German version EN 10332:2003— 17 стр.