Kollár, P. et al. 2026. Effect of Surface Modification of Compacted Iron Powder Particles on Magnetization Processes According to the Landgraf Method of Hysteresis Loss Separation. Acta Physica Polonica A. 149, 3 (Apr. 2026), S97. DOI:https://doi.org/10.12693/APhysPolA.149.S97.