60404-8-1-1986 Materiaux Magnetiques - Partie 8-1: Specifications Pour Materiaux Particuliers - Materiaux Magnetiquement Durs (Edition 1.0; Amendment 2-1992@ Including Amendment 1)
Magnetic Materials Part 8: Specifications for Individual Materials Section 1 - Standard Specifications for Magnetically Hard Materials (Edition 1.0; Amendment 2-1992@ Including Amendment 1)