Fe-M-B (M = IVa TO VIa Metal) Nanocrystalline Soft Magnetic Materials -- The Random Anisotropy Model -- Some Aspects of the Crystallization of Finemet- and Nanoperm-Like Alloys -- Magnetically Soft Nanocrystalline Materials Obtained by Devitrification of Metallic Glasses -- The Initial Stage of Nanocrystallization in Fe-Cu-Nb-Si-B Ferromagnetic Alloys -- Cluster Structure and Thermodynamics of …