Rakus, P. et al. 2026. The influence of preparation methods and doping on the electric-field-induced piezoelectric properties of potassium bismuth titanate (K₀.₅Bi₀.₅TiO₃). Bulletin of the Polish Academy of Sciences Technical Sciences. 74, 3 (Apr. 2026), e157566. DOI:https://doi.org/10.24425/bpasts.2026.157566.