The Electronic and Magnetic Properties of FCC Iron Clusters in FCC 4D Metals.- Magnetic Properties of Co and Ni Substituted ?-Fe3N Nanoparticles.- La-Zn Substituted Hexaferrites Prepared by Chemical Method.- Preparation and Properties of Iron and Iron Oxide Nanocrystals in MgO Matrix.- How can Mössbauer Spectrometry Contribute to the Characterization of Nanocrystalline Alloys?.- Nanostructure and Phases Formation under Mechanical Alloying of Bynary Powder Mixtures of Fe and sp-Element (M); M = C,B,Al,Si,Ge,Sn.- Improvements in Depth Selective Electron Mössbauer Spectroscopy.- Thermal Induced Processes in Laminar System of Stainless Steel - Beryllium.- Mössbauer Spectroscopy of Locally Inhomogeneous Systems.- Mössbauer Study of Ferrite-garnets as Matrixes for Disposal of Highly Radioactive Waste Products.- Magnetic Phase Transitions in Nanoclusters and Nanostructures.