Zurek, S. et al. 2026. Experimental Investigation of Magnetic Permeability Degradation Due to Welding in 80NI–Fe and 50NI–Fe Magnetic Shielding Alloys. Acta Physica Polonica A. 149, 3 (Apr. 2026), S102. DOI:https://doi.org/10.12693/APhysPolA.149.S102.